20212120101010 has 32 divisors (see below), whose sum is σ = 38468382543360. Its totient is φ = 7624982936448.

The previous prime is 20212120100999. The next prime is 20212120101119. The reversal of 20212120101010 is 1010102121202.

It is a super-3 number, since 3×20212120101010³ (a number of 41 digits) contains 333 as substring.

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, 238476867 + ... + 238561606.

It is an arithmetic number, because the mean of its divisors is an integer number (1202136954480).

Almost surely, 2^{20212120101010} is an apocalyptic number.

20212120101010 is a deficient number, since it is larger than the sum of its proper divisors (18256262442350).

20212120101010 is a wasteful number, since it uses less digits than its factorization.

20212120101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477038722.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20212120101010 its reverse (1010102121202), we get a palindrome (21222222222212).

The spelling of 20212120101010 in words is "twenty trillion, two hundred twelve billion, one hundred twenty million, one hundred one thousand, ten".