221100101202 has 64 divisors (see below), whose sum is σ = 472813023744. Its totient is φ = 68683726080.

The previous prime is 221100101197. The next prime is 221100101221. The reversal of 221100101202 is 202101001122.

221100101202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 33644577 + ... + 33651147.

It is an arithmetic number, because the mean of its divisors is an integer number (7387703496).

Almost surely, 2^221100101202 is an apocalyptic number.

221100101202 is an abundant number, since it is smaller than the sum of its proper divisors (251712922542).

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

221100101202 is a wasteful number, since it uses less digits than its factorization.

221100101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221100101202 its reverse (202101001122), we get a palindrome (423201102324).

The spelling of 221100101202 in words is "two hundred twenty-one billion, one hundred million, one hundred one thousand, two hundred two".