2211212211201 has 32 divisors (see below), whose sum is σ = 3814490085120. Its totient is φ = 1239709266432.

The previous prime is 2211212211193. The next prime is 2211212211217. The reversal of 2211212211201 is 1021122121122.

2211212211201 is a `hidden beast` number, since 221 + 1 + 21 + 221 + 1 + 201 = 666.

It is not a de Polignac number, because 2211212211201 - 2³ = 2211212211193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211212211251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110362960 + ... + 110382993.

It is an arithmetic number, because the mean of its divisors is an integer number (119202815160).

Almost surely, 2^{2211212211201} is an apocalyptic number.

2211212211201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2211212211201 is a deficient number, since it is larger than the sum of its proper divisors (1603277873919).

2211212211201 is a wasteful number, since it uses less digits than its factorization.

2211212211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220746022 (or 220746016 counting only the distinct ones).

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

Adding to 2211212211201 its reverse (1021122121122), we get a palindrome (3232334332323).

The spelling of 2211212211201 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred eleven thousand, two hundred one".