75120121022 has 16 divisors (see below), whose sum is σ = 114833456352. Its totient is φ = 36842638560.

The previous prime is 75120121003. The next prime is 75120121057. The reversal of 75120121022 is 22012102157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376772 + ... + 540552.

It is an arithmetic number, because the mean of its divisors is an integer number (7177091022).

Almost surely, 2^75120121022 is an apocalyptic number.

75120121022 is a deficient number, since it is larger than the sum of its proper divisors (39713335330).

75120121022 is a wasteful number, since it uses less digits than its factorization.

75120121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168163.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 75120121022 its reverse (22012102157), we get a palindrome (97132223179).

The spelling of 75120121022 in words is "seventy-five billion, one hundred twenty million, one hundred twenty-one thousand, twenty-two".