10102211123 has 4 divisors (see below), whose sum is σ = 10105536168. Its totient is φ = 10098886080.

The previous prime is 10102211117. The next prime is 10102211129. The reversal of 10102211123 is 32111220101.

10102211123 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.

It is an interprime number because it is at equal distance from previous prime (10102211117) and next prime (10102211129).

It is a cyclic number.

It is not a de Polignac number, because 10102211123 - 2⁴ = 10102211107 is a prime.

It is a super-2 number, since 2×10102211123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102211098 and 10102211107.

It is not an unprimeable number, because it can be changed into a prime (10102211129) 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, 1657961 + ... + 1664042.

It is an arithmetic number, because the mean of its divisors is an integer number (2526384042).

Almost surely, 2^10102211123 is an apocalyptic number.

10102211123 is a deficient number, since it is larger than the sum of its proper divisors (3325045).

10102211123 is an equidigital number, since it uses as much as digits as its factorization.

10102211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325044.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10102211123 its reverse (32111220101), we get a palindrome (42213431224).

The spelling of 10102211123 in words is "ten billion, one hundred two million, two hundred eleven thousand, one hundred twenty-three".