222120201201001 has 4 divisors (see below), whose sum is σ = 222124958893312. Its totient is φ = 222115443508692.

The previous prime is 222120201200929. The next prime is 222120201201011. The reversal of 222120201201001 is 100102102021222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222120201201001 - 2⁷ = 222120201200873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120201201011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378776125 + ... + 2378869498.

It is an arithmetic number, because the mean of its divisors is an integer number (55531239723328).

Almost surely, 2^{222120201201001} is an apocalyptic number.

It is an amenable number.

222120201201001 is a deficient number, since it is larger than the sum of its proper divisors (4757692311).

222120201201001 is an equidigital number, since it uses as much as digits as its factorization.

222120201201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757692310.

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

Adding to 222120201201001 its reverse (100102102021222), we get a palindrome (322222303222223).

The spelling of 222120201201001 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred one million, two hundred one thousand, one".