1022120015135 has 16 divisors (see below), whose sum is σ = 1227423283200. Its totient is φ = 817110059040.

The previous prime is 1022120015131. The next prime is 1022120015153. The reversal of 1022120015135 is 5315100212201.

It is not a de Polignac number, because 1022120015135 - 2² = 1022120015131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022120015135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120015131) 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, 47285480 + ... + 47307090.

It is an arithmetic number, because the mean of its divisors is an integer number (76713955200).

Almost surely, 2^{1022120015135} is an apocalyptic number.

1022120015135 is a deficient number, since it is larger than the sum of its proper divisors (205303268065).

1022120015135 is a wasteful number, since it uses less digits than its factorization.

1022120015135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27958.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 1022120015135 its reverse (5315100212201), we get a palindrome (6337220227336).

The spelling of 1022120015135 in words is "one trillion, twenty-two billion, one hundred twenty million, fifteen thousand, one hundred thirty-five".