222120001102021 has 8 divisors (see below), whose sum is σ = 244055985516000. Its totient is φ = 200474559528240.

The previous prime is 222120001101961. The next prime is 222120001102033. The reversal of 222120001102021 is 120201100021222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222120001102021 - 2⁷ = 222120001101893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120001101986 and 222120001102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120001102061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72635708446 + ... + 72635711503.

It is an arithmetic number, because the mean of its divisors is an integer number (30506998189500).

Almost surely, 2^{222120001102021} is an apocalyptic number.

It is an amenable number.

222120001102021 is a deficient number, since it is larger than the sum of its proper divisors (21935984413979).

222120001102021 is a wasteful number, since it uses less digits than its factorization.

222120001102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145271420099.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222120001102021 its reverse (120201100021222), we get a palindrome (342321101123243).

The spelling of 222120001102021 in words is "two hundred twenty-two trillion, one hundred twenty billion, one million, one hundred two thousand, twenty-one".