2121300021032 has 32 divisors (see below), whose sum is σ = 4187305315200. Its totient is φ = 1004699376000.

The previous prime is 2121300020881. The next prime is 2121300021059. The reversal of 2121300021032 is 2301200031212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121300021032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330932 + ... + 2086172.

It is an arithmetic number, because the mean of its divisors is an integer number (130853291100).

Almost surely, 2^{2121300021032} is an apocalyptic number.

It is an amenable number.

2121300021032 is a deficient number, since it is larger than the sum of its proper divisors (2066005294168).

2121300021032 is a wasteful number, since it uses less digits than its factorization.

2121300021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763217 (or 1763213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2121300021032 its reverse (2301200031212), we get a palindrome (4422500052244).

The spelling of 2121300021032 in words is "two trillion, one hundred twenty-one billion, three hundred million, twenty-one thousand, thirty-two".