20111000220210 has 32 divisors (see below), whose sum is σ = 48269323589760. Its totient is φ = 5362608607488.

The previous prime is 20111000220193. The next prime is 20111000220221. The reversal of 20111000220210 is 1202200011102.

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, 19795207 + ... + 20786346.

It is an arithmetic number, because the mean of its divisors is an integer number (1508416362180).

Almost surely, 2^{20111000220210} is an apocalyptic number.

20111000220210 is an abundant number, since it is smaller than the sum of its proper divisors (28158323369550).

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

20111000220210 is a wasteful number, since it uses less digits than its factorization.

20111000220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40598082.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20111000220210 its reverse (1202200011102), we get a palindrome (21313200231312).

The spelling of 20111000220210 in words is "twenty trillion, one hundred eleven billion, two hundred twenty thousand, two hundred ten".