10211112210 has 64 divisors (see below), whose sum is σ = 26544526848. Its totient is φ = 2498959104.

The previous prime is 10211112209. The next prime is 10211112211. The reversal of 10211112210 is 1221111201.

It is an interprime number because it is at equal distance from previous prime (10211112209) and next prime (10211112211).

It is a super-2 number, since 2×10211112210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10211112211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8202 + ... + 143141.

It is an arithmetic number, because the mean of its divisors is an integer number (414758232).

Almost surely, 2^10211112210 is an apocalyptic number.

10211112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10211112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272263424).

10211112210 is an abundant number, since it is smaller than the sum of its proper divisors (16333414638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211112210 is a wasteful number, since it uses less digits than its factorization.

10211112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151539.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10211112210 its reverse (1221111201), we get a palindrome (11432223411).

The spelling of 10211112210 in words is "ten billion, two hundred eleven million, one hundred twelve thousand, two hundred ten".