222211011212001 has 96 divisors (see below), whose sum is σ = 402533333729280. Its totient is φ = 115261591248000.

The previous prime is 222211011211997. The next prime is 222211011212059. The reversal of 222211011212001 is 100212110112222.

222211011212001 is a `hidden beast` number, since 22 + 221 + 101 + 121 + 200 + 1 = 666.

It is not a de Polignac number, because 222211011212001 - 2² = 222211011211997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222211011212081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25897665 + ... + 33393278.

It is an arithmetic number, because the mean of its divisors is an integer number (4193055559680).

Almost surely, 2^{222211011212001} is an apocalyptic number.

222211011212001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222211011212001 is a deficient number, since it is larger than the sum of its proper divisors (180322322517279).

222211011212001 is a wasteful number, since it uses less digits than its factorization.

222211011212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59291107 (or 59291104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222211011212001 its reverse (100212110112222), we get a palindrome (322423121324223).

The spelling of 222211011212001 in words is "two hundred twenty-two trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, one".