101220220201210 has 96 divisors (see below), whose sum is σ = 209964394570752. Its totient is φ = 34838029618560.

The previous prime is 101220220201193. The next prime is 101220220201213. The reversal of 101220220201210 is 12102022022101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101220220201213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41992284 + ... + 44337256.

It is an arithmetic number, because the mean of its divisors is an integer number (2187129110112).

Almost surely, 2^{101220220201210} is an apocalyptic number.

101220220201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220220201210 is an abundant number, since it is smaller than the sum of its proper divisors (108744174369542).

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

101220220201210 is a wasteful number, since it uses less digits than its factorization.

101220220201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346116 (or 2346097 counting only the distinct ones).

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

Adding to 101220220201210 its reverse (12102022022101), we get a palindrome (113322242223311).

The spelling of 101220220201210 in words is "one hundred one trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, two hundred ten".