221022021010203 has 48 divisors (see below), whose sum is σ = 367109537783040. Its totient is φ = 125520256556352.

The previous prime is 221022021010201. The next prime is 221022021010211. The reversal of 221022021010203 is 302010120220122.

221022021010203 is a `hidden beast` number, since 2 + 21 + 0 + 220 + 210 + 10 + 203 = 666.

It is not a de Polignac number, because 221022021010203 - 2¹ = 221022021010201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221022021010201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435593613 + ... + 436100721.

It is an arithmetic number, because the mean of its divisors is an integer number (7648115370480).

Almost surely, 2^{221022021010203} is an apocalyptic number.

221022021010203 is a deficient number, since it is larger than the sum of its proper divisors (146087516772837).

221022021010203 is a wasteful number, since it uses less digits than its factorization.

221022021010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549728 (or 549725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221022021010203 its reverse (302010120220122), we get a palindrome (523032141230325).

The spelling of 221022021010203 in words is "two hundred twenty-one trillion, twenty-two billion, twenty-one million, ten thousand, two hundred three".