101202220021210 has 128 divisors (see below), whose sum is σ = 229236728168448. Its totient is φ = 31249989216000.

The previous prime is 101202220021207. The next prime is 101202220021237. The reversal of 101202220021210 is 12120022202101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35273815 + ... + 38034805.

It is an arithmetic number, because the mean of its divisors is an integer number (1790911938816).

Almost surely, 2^{101202220021210} is an apocalyptic number.

101202220021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101202220021210 is an abundant number, since it is smaller than the sum of its proper divisors (128034508147238).

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

101202220021210 is a wasteful number, since it uses less digits than its factorization.

101202220021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761460.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101202220021210 its reverse (12120022202101), we get a palindrome (113322242223311).

The spelling of 101202220021210 in words is "one hundred one trillion, two hundred two billion, two hundred twenty million, twenty-one thousand, two hundred ten".