101021112210 has 64 divisors (see below), whose sum is σ = 259829690112. Its totient is φ = 25071273216.

The previous prime is 101021112167. The next prime is 101021112221. The reversal of 101021112210 is 12211120101.

It is a super-2 number, since 2×101021112210² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1952949 + ... + 2004008.

It is an arithmetic number, because the mean of its divisors is an integer number (4059838908).

Almost surely, 2^101021112210 is an apocalyptic number.

101021112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021112210 is an abundant number, since it is smaller than the sum of its proper divisors (158808577902).

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

101021112210 is a wasteful number, since it uses less digits than its factorization.

101021112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957027.

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

Adding to 101021112210 its reverse (12211120101), we get a palindrome (113232232311).

The spelling of 101021112210 in words is "one hundred one billion, twenty-one million, one hundred twelve thousand, two hundred ten".