121417622090 has 32 divisors (see below), whose sum is σ = 227853876096. Its totient is φ = 46542525120.

The previous prime is 121417622077. The next prime is 121417622099. The reversal of 121417622090 is 90226714121.

121417622090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121417622090.

It is not an unprimeable number, because it can be changed into a prime (121417622099) 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, 2641046 + ... + 2686625.

It is an arithmetic number, because the mean of its divisors is an integer number (7120433628).

Almost surely, 2^121417622090 is an apocalyptic number.

121417622090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121417622090 is a deficient number, since it is larger than the sum of its proper divisors (106436254006).

121417622090 is a wasteful number, since it uses less digits than its factorization.

121417622090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327774.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 121417622090 in words is "one hundred twenty-one billion, four hundred seventeen million, six hundred twenty-two thousand, ninety".