221201202110010 has 32 divisors (see below), whose sum is σ = 548008139423232. Its totient is φ = 57084181189440.

The previous prime is 221201202109967. The next prime is 221201202110017. The reversal of 221201202110010 is 10011202102122.

It is a super-2 number, since 2×221201202110010² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (221201202110017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118925376549 + ... + 118925378408.

It is an arithmetic number, because the mean of its divisors is an integer number (17125254356976).

Almost surely, 2^{221201202110010} is an apocalyptic number.

221201202110010 is an abundant number, since it is smaller than the sum of its proper divisors (326806937313222).

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

221201202110010 is a wasteful number, since it uses less digits than its factorization.

221201202110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237850754998.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221201202110010 its reverse (10011202102122), we get a palindrome (231212404212132).

The spelling of 221201202110010 in words is "two hundred twenty-one trillion, two hundred one billion, two hundred two million, one hundred ten thousand, ten".