2121601562402 has 32 divisors (see below), whose sum is σ = 3914105016960. Its totient is φ = 841743002880.

The previous prime is 2121601562383. The next prime is 2121601562441. The reversal of 2121601562402 is 2042651061212.

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, 73053452 + ... + 73082487.

It is an arithmetic number, because the mean of its divisors is an integer number (122315781780).

Almost surely, 2^{2121601562402} is an apocalyptic number.

2121601562402 is a deficient number, since it is larger than the sum of its proper divisors (1792503454558).

2121601562402 is a wasteful number, since it uses less digits than its factorization.

2121601562402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146136026.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 2121601562402 in words is "two trillion, one hundred twenty-one billion, six hundred one million, five hundred sixty-two thousand, four hundred two".