2121404033010 has 64 divisors (see below), whose sum is σ = 5391924216192. Its totient is φ = 532325907456.

The previous prime is 2121404032999. The next prime is 2121404033033. The reversal of 2121404033010 is 103304041212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2197324 + ... + 3011816.

It is an arithmetic number, because the mean of its divisors is an integer number (84248815878).

Almost surely, 2^{2121404033010} is an apocalyptic number.

2121404033010 is an abundant number, since it is smaller than the sum of its proper divisors (3270520183182).

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

2121404033010 is a wasteful number, since it uses less digits than its factorization.

2121404033010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819627.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2121404033010 its reverse (103304041212), we get a palindrome (2224708074222).

The spelling of 2121404033010 in words is "two trillion, one hundred twenty-one billion, four hundred four million, thirty-three thousand, ten".