222120202101 has 24 divisors (see below), whose sum is σ = 344846709504. Its totient is φ = 126802872000.

The previous prime is 222120202067. The next prime is 222120202133. The reversal of 222120202101 is 101202021222.

It is not a de Polignac number, because 222120202101 - 2²⁷ = 221985984373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120202901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579525 + ... + 883226.

It is an arithmetic number, because the mean of its divisors is an integer number (14368612896).

Almost surely, 2^222120202101 is an apocalyptic number.

222120202101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222120202101 is a deficient number, since it is larger than the sum of its proper divisors (122726507403).

222120202101 is a wasteful number, since it uses less digits than its factorization.

222120202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463801 (or 1463794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222120202101 its reverse (101202021222), we get a palindrome (323322223323).

The spelling of 222120202101 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred two thousand, one hundred one".