101000021210 has 256 divisors, whose sum is σ = 223859220480. Its totient is φ = 32376960000.

The previous prime is 101000021207. The next prime is 101000021249. The reversal of 101000021210 is 12120000101.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 344709824 + ... + 344710116.

It is an arithmetic number, because the mean of its divisors is an integer number (874450080).

Almost surely, 2^101000021210 is an apocalyptic number.

101000021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101000021210 is an abundant number, since it is smaller than the sum of its proper divisors (122859199270).

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

101000021210 is a wasteful number, since it uses less digits than its factorization.

101000021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 101000021210 its reverse (12120000101), we get a palindrome (113120021311).

The spelling of 101000021210 in words is "one hundred one billion, twenty-one thousand, two hundred ten".