220011212001201 has 4 divisors (see below), whose sum is σ = 293348282668272. Its totient is φ = 146674141334132.

The previous prime is 220011212001197. The next prime is 220011212001211. The reversal of 220011212001201 is 102100212110022.

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 220011212001201 - 2² = 220011212001197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220011212001211) 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, 36668535333531 + ... + 36668535333536.

It is an arithmetic number, because the mean of its divisors is an integer number (73337070667068).

Almost surely, 2^{220011212001201} is an apocalyptic number.

It is an amenable number.

220011212001201 is a deficient number, since it is larger than the sum of its proper divisors (73337070667071).

220011212001201 is an equidigital number, since it uses as much as digits as its factorization.

220011212001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73337070667070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220011212001201 its reverse (102100212110022), we get a palindrome (322111424111223).

The spelling of 220011212001201 in words is "two hundred twenty trillion, eleven billion, two hundred twelve million, one thousand, two hundred one".