10202211123 has 16 divisors (see below), whose sum is σ = 14685883296. Its totient is φ = 6262617600.

The previous prime is 10202211119. The next prime is 10202211133. The reversal of 10202211123 is 32111220201.

It is not a de Polignac number, because 10202211123 - 2² = 10202211119 is a prime.

It is a super-2 number, since 2×10202211123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10202211133) 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, 310540 + ... + 341817.

It is an arithmetic number, because the mean of its divisors is an integer number (917867706).

Almost surely, 2^10202211123 is an apocalyptic number.

10202211123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10202211123 is a deficient number, since it is larger than the sum of its proper divisors (4483672173).

10202211123 is a wasteful number, since it uses less digits than its factorization.

10202211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652774.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10202211123 its reverse (32111220201), we get a palindrome (42313431324).

The spelling of 10202211123 in words is "ten billion, two hundred two million, two hundred eleven thousand, one hundred twenty-three".