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121102310103 = 3271299949669
BaseRepresentation
bin111000011001001000…
…0101001101011010111
3102120120211100202200120
41300302100221223113
53441004142410403
6131344510443023
711515012436325
oct1606220515327
9376524322616
10121102310103
11473a5108005
121b578b03473
13b55c696678
145c0b8c6d15
15323bb45e53
hex1c32429ad7

121102310103 has 16 divisors (see below), whose sum is σ = 162122880000. Its totient is φ = 80408518560.

The previous prime is 121102310101. The next prime is 121102310129. The reversal of 121102310103 is 301013201121.

It is a happy number.

It is not a de Polignac number, because 121102310103 - 21 = 121102310101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102310101) 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, 2413353 + ... + 2463021.

It is an arithmetic number, because the mean of its divisors is an integer number (10132680000).

Almost surely, 2121102310103 is an apocalyptic number.

121102310103 is a deficient number, since it is larger than the sum of its proper divisors (41020569897).

121102310103 is a wasteful number, since it uses less digits than its factorization.

121102310103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52942.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121102310103 its reverse (301013201121), we get a palindrome (422115511224).

The spelling of 121102310103 in words is "one hundred twenty-one billion, one hundred two million, three hundred ten thousand, one hundred three".

Divisors: 1 3 271 813 2999 8997 49669 149007 812729 2438187 13460299 40380897 148957331 446871993 40367436701 121102310103