911020220001011 has 16 divisors (see below), whose sum is σ = 928550985915168. Its totient is φ = 893605920768000.

The previous prime is 911020220000981. The next prime is 911020220001043. The reversal of 911020220001011 is 110100022020119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-911020220001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (911020220001211) 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, 152089091 + ... + 157965603.

It is an arithmetic number, because the mean of its divisors is an integer number (58034436619698).

Almost surely, 2^{911020220001011} is an apocalyptic number.

911020220001011 is a deficient number, since it is larger than the sum of its proper divisors (17530765914157).

911020220001011 is a wasteful number, since it uses less digits than its factorization.

911020220001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886422.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 911020220001011 in words is "nine hundred eleven trillion, twenty billion, two hundred twenty million, one thousand, eleven".