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102121102110 = 23510913120107
BaseRepresentation
bin101111100011011100…
…1000101101100011110
3100202120222212111100010
41133012321011230132
53133121000231420
6114525213344050
710243441021446
oct1370671055436
9322528774303
10102121102110
113a344777555
1217960198026
1398260a8551
144d2aa41126
1529ca56e4e0
hex17c6e45b1e

102121102110 has 32 divisors (see below), whose sum is σ = 245315371392. Its totient is φ = 27207324320.

The previous prime is 102121102103. The next prime is 102121102117. The reversal of 102121102110 is 11201121201.

102121102110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (102121102103) and next prime (102121102117).

It is a super-2 number, since 2×1021211021102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121102117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527324 + ... + 1592783.

It is an arithmetic number, because the mean of its divisors is an integer number (7666105356).

Almost surely, 2102121102110 is an apocalyptic number.

102121102110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121102110 is an abundant number, since it is smaller than the sum of its proper divisors (143194269282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121102110 is a wasteful number, since it uses less digits than its factorization.

102121102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121208.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102121102110 its reverse (11201121201), we get a palindrome (113322223311).

The spelling of 102121102110 in words is "one hundred two billion, one hundred twenty-one million, one hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1091 2182 3273 5455 6546 10910 16365 32730 3120107 6240214 9360321 15600535 18720642 31201070 46801605 93603210 3404036737 6808073474 10212110211 17020183685 20424220422 34040367370 51060551055 102121102110