22021032121003 has 16 divisors (see below), whose sum is σ = 23122014619680. Its totient is φ = 20942870167296.

The previous prime is 22021032120949. The next prime is 22021032121013. The reversal of 22021032121003 is 30012123012022.

It is a cyclic number.

It is not a de Polignac number, because 22021032121003 - 2⁹ = 22021032120491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021032121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27658575 + ... + 28443607.

It is an arithmetic number, because the mean of its divisors is an integer number (1445125913730).

Almost surely, 2^{22021032121003} is an apocalyptic number.

22021032121003 is a deficient number, since it is larger than the sum of its proper divisors (1100982498677).

22021032121003 is a wasteful number, since it uses less digits than its factorization.

22021032121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799566.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021032121003 its reverse (30012123012022), we get a palindrome (52033155133025).

The spelling of 22021032121003 in words is "twenty-two trillion, twenty-one billion, thirty-two million, one hundred twenty-one thousand, three".