20101011222110 has 128 divisors (see below), whose sum is σ = 47180368650240. Its totient is φ = 5983691433984.

The previous prime is 20101011222091. The next prime is 20101011222143. The reversal of 20101011222110 is 1122211010102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24456011 + ... + 25264569.

It is an arithmetic number, because the mean of its divisors is an integer number (368596630080).

Almost surely, 2^{20101011222110} is an apocalyptic number.

20101011222110 is an abundant number, since it is smaller than the sum of its proper divisors (27079357428130).

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

20101011222110 is a wasteful number, since it uses less digits than its factorization.

20101011222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810210.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20101011222110 its reverse (1122211010102), we get a palindrome (21223222232212).

The spelling of 20101011222110 in words is "twenty trillion, one hundred one billion, eleven million, two hundred twenty-two thousand, one hundred ten".