221102101002210 has 16 divisors (see below), whose sum is σ = 530645042405376. Its totient is φ = 58960560267248.

The previous prime is 221102101002199. The next prime is 221102101002221. The reversal of 221102101002210 is 12200101201122.

It is an interprime number because it is at equal distance from previous prime (221102101002199) and next prime (221102101002221).

It is a super-2 number, since 2×221102101002210² (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 a self number, because there is not a number n which added to its sum of digits gives 221102101002210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685035016674 + ... + 3685035016733.

It is an arithmetic number, because the mean of its divisors is an integer number (33165315150336).

Almost surely, 2^{221102101002210} is an apocalyptic number.

221102101002210 is an abundant number, since it is smaller than the sum of its proper divisors (309542941403166).

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

221102101002210 is a wasteful number, since it uses less digits than its factorization.

221102101002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370070033417.

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

Adding to 221102101002210 its reverse (12200101201122), we get a palindrome (233302202203332).

The spelling of 221102101002210 in words is "two hundred twenty-one trillion, one hundred two billion, one hundred one million, two thousand, two hundred ten".