10021221043042 has 32 divisors (see below), whose sum is σ = 16407045072000. Its totient is φ = 4552689091200.

The previous prime is 10021221043037. The next prime is 10021221043129. The reversal of 10021221043042 is 24034012212001.

It is a super-2 number, since 2×10021221043042² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 420500067 + ... + 420523897.

It is an arithmetic number, because the mean of its divisors is an integer number (512720158500).

Almost surely, 2^{10021221043042} is an apocalyptic number.

10021221043042 is a deficient number, since it is larger than the sum of its proper divisors (6385824028958).

10021221043042 is a wasteful number, since it uses less digits than its factorization.

10021221043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10021221043042 its reverse (24034012212001), we get a palindrome (34055233255043).

The spelling of 10021221043042 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, forty-three thousand, forty-two".