222021101122100 has 36 divisors (see below), whose sum is σ = 550612330784544. Its totient is φ = 76121520384480.

The previous prime is 222021101122087. The next prime is 222021101122141. The reversal of 222021101122100 is 1221101120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158586500102 + ... + 158586501501.

Almost surely, 2^{222021101122100} is an apocalyptic number.

222021101122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021101122100 is an abundant number, since it is smaller than the sum of its proper divisors (328591229662444).

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

222021101122100 is a wasteful number, since it uses less digits than its factorization.

222021101122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317173001624 (or 317173001617 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222021101122100 its reverse (1221101120222), we get a palindrome (223242202242322).

The spelling of 222021101122100 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred one million, one hundred twenty-two thousand, one hundred".