101321210123210 has 128 divisors (see below), whose sum is σ = 230656012812288. Its totient is φ = 31125997728000.

The previous prime is 101321210123173. The next prime is 101321210123233. The reversal of 101321210123210 is 12321012123101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173613959 + ... + 174196581.

It is an arithmetic number, because the mean of its divisors is an integer number (1802000100096).

Almost surely, 2^{101321210123210} is an apocalyptic number.

101321210123210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101321210123210 is an abundant number, since it is smaller than the sum of its proper divisors (129334802689078).

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

101321210123210 is a wasteful number, since it uses less digits than its factorization.

101321210123210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585900.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 101321210123210 its reverse (12321012123101), we get a palindrome (113642222246311).

The spelling of 101321210123210 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred ten million, one hundred twenty-three thousand, two hundred ten".