122111001021122 has 12 divisors (see below), whose sum is σ = 194574795745650. Its totient is φ = 57464000480256.

The previous prime is 122111001021109. The next prime is 122111001021181. The reversal of 122111001021122 is 221120100111221.

It can be written as a sum of positive squares in 3 ways, for example, as 120757219903681 + 1353781117441 = 10988959^2 + 1163521^2 .

It is a super-2 number, since 2×122111001021122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 122111001021122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105632353247 + ... + 105632354402.

Almost surely, 2^{122111001021122} is an apocalyptic number.

122111001021122 is a deficient number, since it is larger than the sum of its proper divisors (72463794724528).

122111001021122 is a wasteful number, since it uses less digits than its factorization.

122111001021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211264707685 (or 211264707668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122111001021122 its reverse (221120100111221), we get a palindrome (343231101132343).

Subtracting 122111001021122 from its reverse (221120100111221), we obtain a palindrome (99009099090099).

The spelling of 122111001021122 in words is "one hundred twenty-two trillion, one hundred eleven billion, one million, twenty-one thousand, one hundred twenty-two".