20201100121011 has 4 divisors (see below), whose sum is σ = 26934800161352. Its totient is φ = 13467400080672.

The previous prime is 20201100120959. The next prime is 20201100121019. The reversal of 20201100121011 is 11012100110202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20201100121011 - 2²² = 20201095926707 is a prime.

It is a super-2 number, since 2×20201100121011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201100121019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366850020166 + ... + 3366850020171.

It is an arithmetic number, because the mean of its divisors is an integer number (6733700040338).

Almost surely, 2^{20201100121011} is an apocalyptic number.

20201100121011 is a deficient number, since it is larger than the sum of its proper divisors (6733700040341).

20201100121011 is an equidigital number, since it uses as much as digits as its factorization.

20201100121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733700040340.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20201100121011 its reverse (11012100110202), we get a palindrome (31213200231213).

The spelling of 20201100121011 in words is "twenty trillion, two hundred one billion, one hundred million, one hundred twenty-one thousand, eleven".