121501331514 has 12 divisors (see below), whose sum is σ = 263252884986. Its totient is φ = 40500443832.

The previous prime is 121501331449. The next prime is 121501331531. The reversal of 121501331514 is 415133105121.

121501331514 is a `hidden beast` number, since 1 + 2 + 1 + 501 + 3 + 3 + 151 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104713724025 + 16787607489 = 323595^2 + 129567^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3375036969 + ... + 3375037004.

Almost surely, 2^121501331514 is an apocalyptic number.

121501331514 is an abundant number, since it is smaller than the sum of its proper divisors (141751553472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121501331514 is a wasteful number, since it uses less digits than its factorization.

121501331514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750073981 (or 6750073978 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 121501331514 its reverse (415133105121), we get a palindrome (536634436635).

The spelling of 121501331514 in words is "one hundred twenty-one billion, five hundred one million, three hundred thirty-one thousand, five hundred fourteen".