121151525151121 has 16 divisors (see below), whose sum is σ = 124863713313984. Its totient is φ = 117511114984704.

The previous prime is 121151525151113. The next prime is 121151525151127.

121151525151121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 121151525151121 - 2³ = 121151525151113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121151525151127) 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, 55537095 + ... + 57677308.

It is an arithmetic number, because the mean of its divisors is an integer number (7803982082124).

Almost surely, 2^{121151525151121} is an apocalyptic number.

It is an amenable number.

121151525151121 is a deficient number, since it is larger than the sum of its proper divisors (3712188162863).

121151525151121 is a wasteful number, since it uses less digits than its factorization.

121151525151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113214720.

The product of its digits is 5000, while the sum is 34.

The spelling of 121151525151121 in words is "one hundred twenty-one trillion, one hundred fifty-one billion, five hundred twenty-five million, one hundred fifty-one thousand, one hundred twenty-one".