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10122102101 = 93191086179
BaseRepresentation
bin10010110110101001…
…10000010101010101
3222010102112001201102
421123110300111111
5131212224231401
64352223435445
7505556306516
oct113324602525
928112461642
1010122102101
114324732141
121b65a55b85
13c5409c137
146c0468a0d
153e397b56b
hex25b530555

10122102101 has 4 divisors (see below), whose sum is σ = 10123197600. Its totient is φ = 10121006604.

The previous prime is 10122102097. The next prime is 10122102103. The reversal of 10122102101 is 10120122101.

10122102101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10122102101 - 22 = 10122102097 is a prime.

It is a super-2 number, since 2×101221021012 (a number of 21 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 (10122102103) 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, 533771 + ... + 552408.

It is an arithmetic number, because the mean of its divisors is an integer number (2530799400).

Almost surely, 210122102101 is an apocalyptic number.

It is an amenable number.

10122102101 is a deficient number, since it is larger than the sum of its proper divisors (1095499).

10122102101 is an equidigital number, since it uses as much as digits as its factorization.

10122102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095498.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10122102101 its reverse (10120122101), we get a palindrome (20242224202).

The spelling of 10122102101 in words is "ten billion, one hundred twenty-two million, one hundred two thousand, one hundred one".

Divisors: 1 9319 1086179 10122102101