121625052201181 has 8 divisors (see below), whose sum is σ = 122436603599904. Its totient is φ = 120815919734640.

The previous prime is 121625052201127. The next prime is 121625052201187. The reversal of 121625052201181 is 181102250526121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121625052201181 is a prime.

It is a super-2 number, since 2×121625052201181² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121625052201181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121625052201187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604632150 + ... + 604833271.

It is an arithmetic number, because the mean of its divisors is an integer number (15304575449988).

Almost surely, 2^{121625052201181} is an apocalyptic number.

It is an amenable number.

121625052201181 is a deficient number, since it is larger than the sum of its proper divisors (811551398723).

121625052201181 is a wasteful number, since it uses less digits than its factorization.

121625052201181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209466091.

The product of its (nonzero) digits is 19200, while the sum is 37.

The spelling of 121625052201181 in words is "one hundred twenty-one trillion, six hundred twenty-five billion, fifty-two million, two hundred one thousand, one hundred eighty-one".