222021021201 has 16 divisors (see below), whose sum is σ = 345222192000. Its totient is φ = 126869154384.

The previous prime is 222021021199. The next prime is 222021021259. The reversal of 222021021201 is 102120120222.

It is not a de Polignac number, because 222021021201 - 2¹ = 222021021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021021701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107880906 + ... + 107882963.

It is an arithmetic number, because the mean of its divisors is an integer number (21576387000).

Almost surely, 2^222021021201 is an apocalyptic number.

222021021201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222021021201 is a deficient number, since it is larger than the sum of its proper divisors (123201170799).

222021021201 is an equidigital number, since it uses as much as digits as its factorization.

222021021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215763893 (or 215763879 counting only the distinct ones).

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

Adding to 222021021201 its reverse (102120120222), we get a palindrome (324141141423).

The spelling of 222021021201 in words is "two hundred twenty-two billion, twenty-one million, twenty-one thousand, two hundred one".