121016144514 has 32 divisors (see below), whose sum is σ = 243945757440. Its totient is φ = 40020158592.

The previous prime is 121016144489. The next prime is 121016144551. The reversal of 121016144514 is 415441610121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348167 + ... + 1435125.

It is an arithmetic number, because the mean of its divisors is an integer number (7623304920).

Almost surely, 2^121016144514 is an apocalyptic number.

121016144514 is an abundant number, since it is smaller than the sum of its proper divisors (122929612926).

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

121016144514 is a wasteful number, since it uses less digits than its factorization.

121016144514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88794.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 121016144514 its reverse (415441610121), we get a palindrome (536457754635).

The spelling of 121016144514 in words is "one hundred twenty-one billion, sixteen million, one hundred forty-four thousand, five hundred fourteen".