221101121202 has 48 divisors (see below), whose sum is σ = 507001148640. Its totient is φ = 64029278976.

The previous prime is 221101121201. The next prime is 221101121207. The reversal of 221101121202 is 202121101122.

It is not an unprimeable number, because it can be changed into a prime (221101121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6395952 + ... + 6430427.

It is an arithmetic number, because the mean of its divisors is an integer number (10562523930).

Almost surely, 2^221101121202 is an apocalyptic number.

221101121202 is an abundant number, since it is smaller than the sum of its proper divisors (285900027438).

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

221101121202 is a wasteful number, since it uses less digits than its factorization.

221101121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12826427 (or 12826414 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221101121202 its reverse (202121101122), we get a palindrome (423222222324).

The spelling of 221101121202 in words is "two hundred twenty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred two".