1022011020123 has 16 divisors (see below), whose sum is σ = 1371046279680. Its totient is φ = 677161026464.

The previous prime is 1022011020073. The next prime is 1022011020161. The reversal of 1022011020123 is 3210201102201.

It is a cyclic number.

It is not a de Polignac number, because 1022011020123 - 2⁹ = 1022011019611 is a prime.

It is a super-2 number, since 2×1022011020123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022011024123) 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, 1113790 + ... + 1812332.

It is an arithmetic number, because the mean of its divisors is an integer number (85690392480).

Almost surely, 2^{1022011020123} is an apocalyptic number.

1022011020123 is a deficient number, since it is larger than the sum of its proper divisors (349035259557).

1022011020123 is a wasteful number, since it uses less digits than its factorization.

1022011020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701538.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022011020123 its reverse (3210201102201), we get a palindrome (4232212122324).

The spelling of 1022011020123 in words is "one trillion, twenty-two billion, eleven million, twenty thousand, one hundred twenty-three".