20112001022202 has 128 divisors (see below), whose sum is σ = 41426148556800. Its totient is φ = 6506376554496.

The previous prime is 20112001022093. The next prime is 20112001022221. The reversal of 20112001022202 is 20222010021102.

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, 21649085674 + ... + 21649086602.

It is an arithmetic number, because the mean of its divisors is an integer number (323641785600).

Almost surely, 2^{20112001022202} is an apocalyptic number.

20112001022202 is an abundant number, since it is smaller than the sum of its proper divisors (21314147534598).

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

20112001022202 is a wasteful number, since it uses less digits than its factorization.

20112001022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

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

Adding to 20112001022202 its reverse (20222010021102), we get a palindrome (40334011043304).

The spelling of 20112001022202 in words is "twenty trillion, one hundred twelve billion, one million, twenty-two thousand, two hundred two".