20201102101011 has 16 divisors (see below), whose sum is σ = 29008137449984. Its totient is φ = 12430835986464.

The previous prime is 20201102100973. The next prime is 20201102101027. The reversal of 20201102101011 is 11010120110202.

It is not a de Polignac number, because 20201102101011 - 2¹¹ = 20201102098963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201102171011) 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, 11935051 + ... + 13522116.

It is an arithmetic number, because the mean of its divisors is an integer number (1813008590624).

Almost surely, 2^{20201102101011} is an apocalyptic number.

20201102101011 is a deficient number, since it is larger than the sum of its proper divisors (8807035348973).

20201102101011 is a wasteful number, since it uses less digits than its factorization.

20201102101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25477530.

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

Adding to 20201102101011 its reverse (11010120110202), we get a palindrome (31211222211213).

The spelling of 20201102101011 in words is "twenty trillion, two hundred one billion, one hundred two million, one hundred one thousand, eleven".