20200122211011 has 32 divisors (see below), whose sum is σ = 28131165216000. Its totient is φ = 12882555573888.

The previous prime is 20200122210953. The next prime is 20200122211037. The reversal of 20200122211011 is 11011222100202.

It is not a de Polignac number, because 20200122211011 - 2²³ = 20200113822403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20200122211091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2885856 + ... + 6980573.

It is an arithmetic number, because the mean of its divisors is an integer number (879098913000).

Almost surely, 2^{20200122211011} is an apocalyptic number.

20200122211011 is a deficient number, since it is larger than the sum of its proper divisors (7931043004989).

20200122211011 is a wasteful number, since it uses less digits than its factorization.

20200122211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866803.

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

Adding to 20200122211011 its reverse (11011222100202), we get a palindrome (31211344311213).

The spelling of 20200122211011 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, two hundred eleven thousand, eleven".