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102210210101101 = 778913122379009
BaseRepresentation
bin10111001111010110101011…
…010000111111011101101101
3111101220012102021112221101211
4113033112223100333131231
5101344103002241213401
61001214420003434421
730346305201054034
oct2717265320773555
9441805367487354
10102210210101101
112a627119a95243
12b569034685a11
1345054c609980b
141b3500179771b
15bc3ac7281951
hex5cf5ab43f76d

102210210101101 has 4 divisors (see below), whose sum is σ = 102223332487900. Its totient is φ = 102197087714304.

The previous prime is 102210210101063. The next prime is 102210210101149. The reversal of 102210210101101 is 101101012012201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89218698169225 + 12991511931876 = 9445565^2 + 3604374^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210210101101 - 29 = 102210210100589 is a prime.

It is a super-2 number, since 2×1022102101011012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102210210101171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6561181716 + ... + 6561197293.

It is an arithmetic number, because the mean of its divisors is an integer number (25555833121975).

Almost surely, 2102210210101101 is an apocalyptic number.

It is an amenable number.

102210210101101 is a deficient number, since it is larger than the sum of its proper divisors (13122386799).

102210210101101 is an equidigital number, since it uses as much as digits as its factorization.

102210210101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13122386798.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102210210101101 its reverse (101101012012201), we get a palindrome (203311222113302).

The spelling of 102210210101101 in words is "one hundred two trillion, two hundred ten billion, two hundred ten million, one hundred one thousand, one hundred one".

Divisors: 1 7789 13122379009 102210210101101