2121031221002 has 8 divisors (see below), whose sum is σ = 3348996664800. Its totient is φ = 1004698999404.

The previous prime is 2121031220989. The next prime is 2121031221083. The reversal of 2121031221002 is 2001221301212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27908305502 + ... + 27908305577.

It is an arithmetic number, because the mean of its divisors is an integer number (418624583100).

Almost surely, 2^{2121031221002} is an apocalyptic number.

2121031221002 is a deficient number, since it is larger than the sum of its proper divisors (1227965443798).

2121031221002 is a wasteful number, since it uses less digits than its factorization.

2121031221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55816611100.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121031221002 its reverse (2001221301212), we get a palindrome (4122252522214).

The spelling of 2121031221002 in words is "two trillion, one hundred twenty-one billion, thirty-one million, two hundred twenty-one thousand, two".