20212210021011 has 16 divisors (see below), whose sum is σ = 27352019881728. Its totient is φ = 13273605972000.

The previous prime is 20212210020929. The next prime is 20212210021021. The reversal of 20212210021011 is 11012001221202.

It is not a de Polignac number, because 20212210021011 - 2³⁸ = 19937332114067 is a prime.

It is a super-2 number, since 2×20212210021011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212210021021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57128946 + ... + 57481656.

It is an arithmetic number, because the mean of its divisors is an integer number (1709501242608).

Almost surely, 2^{20212210021011} is an apocalyptic number.

20212210021011 is a deficient number, since it is larger than the sum of its proper divisors (7139809860717).

20212210021011 is a wasteful number, since it uses less digits than its factorization.

20212210021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637882.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20212210021011 its reverse (11012001221202), we get a palindrome (31224211242213).

The spelling of 20212210021011 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, twenty-one thousand, eleven".