2121433061502 has 16 divisors (see below), whose sum is σ = 4466174866560. Its totient is φ = 669926229912.

The previous prime is 2121433061459. The next prime is 2121433061507. The reversal of 2121433061502 is 2051603341212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121433061502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121433061507) 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, 9304530858 + ... + 9304531085.

It is an arithmetic number, because the mean of its divisors is an integer number (279135929160).

Almost surely, 2^{2121433061502} is an apocalyptic number.

2121433061502 is an abundant number, since it is smaller than the sum of its proper divisors (2344741805058).

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

2121433061502 is a wasteful number, since it uses less digits than its factorization.

2121433061502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18609061967.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 2121433061502 in words is "two trillion, one hundred twenty-one billion, four hundred thirty-three million, sixty-one thousand, five hundred two".