121508226671 has 16 divisors (see below), whose sum is σ = 138858693120. Its totient is φ = 105466452960.

The previous prime is 121508226667. The next prime is 121508226677. The reversal of 121508226671 is 176622805121.

It is a cyclic number.

It is not a de Polignac number, because 121508226671 - 2² = 121508226667 is a prime.

It is a super-2 number, since 2×121508226671² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121508226677) 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, 3426275 + ... + 3461556.

It is an arithmetic number, because the mean of its divisors is an integer number (8678668320).

Almost surely, 2^121508226671 is an apocalyptic number.

121508226671 is a deficient number, since it is larger than the sum of its proper divisors (17350466449).

121508226671 is a wasteful number, since it uses less digits than its factorization.

121508226671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887926.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 121508226671 in words is "one hundred twenty-one billion, five hundred eight million, two hundred twenty-six thousand, six hundred seventy-one".