122222211021021 has 32 divisors (see below), whose sum is σ = 170156273172480. Its totient is φ = 77889326385024.

The previous prime is 122222211020993. The next prime is 122222211021041. The reversal of 122222211021021 is 120120112222221.

It is not a de Polignac number, because 122222211021021 - 2¹⁴ = 122222211004637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222211021041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706241020 + ... + 706414058.

It is an arithmetic number, because the mean of its divisors is an integer number (5317383536640).

Almost surely, 2^{122222211021021} is an apocalyptic number.

It is an amenable number.

122222211021021 is a deficient number, since it is larger than the sum of its proper divisors (47934062151459).

122222211021021 is a wasteful number, since it uses less digits than its factorization.

122222211021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179505.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122222211021021 its reverse (120120112222221), we get a palindrome (242342323243242).

The spelling of 122222211021021 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-one thousand, twenty-one".