101021222121200 has 30 divisors (see below), whose sum is σ = 242703486147144. Its totient is φ = 40408488848320.

The previous prime is 101021222121179. The next prime is 101021222121263. The reversal of 101021222121200 is 2121222120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126276527252 + ... + 126276528051.

Almost surely, 2^{101021222121200} is an apocalyptic number.

101021222121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021222121200 is an abundant number, since it is smaller than the sum of its proper divisors (141682264025944).

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

101021222121200 is a wasteful number, since it uses less digits than its factorization.

101021222121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252553055321 (or 252553055310 counting only the distinct ones).

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

Adding to 101021222121200 its reverse (2121222120101), we get a palindrome (103142444241301).

The spelling of 101021222121200 in words is "one hundred one trillion, twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred".