20210011022222 has 64 divisors (see below), whose sum is σ = 35613919313280. Its totient is φ = 8422953868800.

The previous prime is 20210011022213. The next prime is 20210011022251. The reversal of 20210011022222 is 22222011001202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210011022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42677168 + ... + 43148124.

It is an arithmetic number, because the mean of its divisors is an integer number (556467489270).

Almost surely, 2^{20210011022222} is an apocalyptic number.

20210011022222 is a deficient number, since it is larger than the sum of its proper divisors (15403908291058).

20210011022222 is a wasteful number, since it uses less digits than its factorization.

20210011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471597.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20210011022222 its reverse (22222011001202), we get a palindrome (42432022023424).

The spelling of 20210011022222 in words is "twenty trillion, two hundred ten billion, eleven million, twenty-two thousand, two hundred twenty-two".