1022122212155 has 32 divisors (see below), whose sum is σ = 1340507059200. Its totient is φ = 741998361600.

The previous prime is 1022122212131. The next prime is 1022122212191. The reversal of 1022122212155 is 5512122212201.

It is not a de Polignac number, because 1022122212155 - 2¹⁸ = 1022121950011 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74540750 + ... + 74554460.

It is an arithmetic number, because the mean of its divisors is an integer number (41890845600).

Almost surely, 2^{1022122212155} is an apocalyptic number.

1022122212155 is a deficient number, since it is larger than the sum of its proper divisors (318384847045).

1022122212155 is a wasteful number, since it uses less digits than its factorization.

1022122212155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 1022122212155 its reverse (5512122212201), we get a palindrome (6534244424356).

The spelling of 1022122212155 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred fifty-five".