20211122011010 has 64 divisors (see below), whose sum is σ = 41707938631680. Its totient is φ = 6907763021760.

The previous prime is 20211122011007. The next prime is 20211122011019. The reversal of 20211122011010 is 1011022111202.

It is a super-2 number, since 2×20211122011010² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20211122011019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31006145 + ... + 31651275.

It is an arithmetic number, because the mean of its divisors is an integer number (651686541120).

Almost surely, 2^{20211122011010} is an apocalyptic number.

20211122011010 is an abundant number, since it is smaller than the sum of its proper divisors (21496816620670).

20211122011010 is a wasteful number, since it uses less digits than its factorization.

20211122011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646551.

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

Adding to 20211122011010 its reverse (1011022111202), we get a palindrome (21222144122212).

The spelling of 20211122011010 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-two million, eleven thousand, ten".