211220000111202 has 16 divisors (see below), whose sum is σ = 422442481476960. Its totient is φ = 70406253161312.

The previous prime is 211220000111189. The next prime is 211220000111203. The reversal of 211220000111202 is 202111000022112.

It is a super-2 number, since 2×211220000111202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220000111203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102278052 + ... + 104322767.

It is an arithmetic number, because the mean of its divisors is an integer number (26402655092310).

Almost surely, 2^{211220000111202} is an apocalyptic number.

211220000111202 is an abundant number, since it is smaller than the sum of its proper divisors (211222481365758).

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

211220000111202 is a wasteful number, since it uses less digits than its factorization.

211220000111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206771217.

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

Adding to 211220000111202 its reverse (202111000022112), we get a palindrome (413331000133314).

The spelling of 211220000111202 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred eleven thousand, two hundred two".