1020122022111 has 16 divisors (see below), whose sum is σ = 1361204592000. Its totient is φ = 679560604128.

The previous prime is 1020122022091. The next prime is 1020122022149. The reversal of 1020122022111 is 1112202210201.

It is not a de Polignac number, because 1020122022111 - 2²¹ = 1020119924959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122022511) 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, 22433580 + ... + 22479006.

It is an arithmetic number, because the mean of its divisors is an integer number (85075287000).

Almost surely, 2^{1020122022111} is an apocalyptic number.

1020122022111 is a deficient number, since it is larger than the sum of its proper divisors (341082569889).

1020122022111 is a wasteful number, since it uses less digits than its factorization.

1020122022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50998.

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

Adding to 1020122022111 its reverse (1112202210201), we get a palindrome (2132324232312).

The spelling of 1020122022111 in words is "one trillion, twenty billion, one hundred twenty-two million, twenty-two thousand, one hundred eleven".