211220102202 has 32 divisors (see below), whose sum is σ = 424386397440. Its totient is φ = 70082584320.

The previous prime is 211220102189. The next prime is 211220102239. The reversal of 211220102202 is 202201022112.

It is a super-2 number, since 2×211220102202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3516502 + ... + 3576062.

It is an arithmetic number, because the mean of its divisors is an integer number (13262074920).

Almost surely, 2^211220102202 is an apocalyptic number.

211220102202 is an abundant number, since it is smaller than the sum of its proper divisors (213166295238).

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

211220102202 is a wasteful number, since it uses less digits than its factorization.

211220102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62278.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211220102202 its reverse (202201022112), we get a palindrome (413421124314).

The spelling of 211220102202 in words is "two hundred eleven billion, two hundred twenty million, one hundred two thousand, two hundred two".