2111220222201 has 8 divisors (see below), whose sum is σ = 3127733662560. Its totient is φ = 1407480148116.

The previous prime is 2111220222169. The next prime is 2111220222277. The reversal of 2111220222201 is 1022220221112.

It is a happy number.

2111220222201 is a `hidden beast` number, since 21 + 1 + 1 + 220 + 222 + 201 = 666.

It is not a de Polignac number, because 2111220222201 - 2⁵ = 2111220222169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111220222101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39096670755 + ... + 39096670808.

It is an arithmetic number, because the mean of its divisors is an integer number (390966707820).

Almost surely, 2^{2111220222201} is an apocalyptic number.

It is an amenable number.

2111220222201 is a deficient number, since it is larger than the sum of its proper divisors (1016513440359).

2111220222201 is an equidigital number, since it uses as much as digits as its factorization.

2111220222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78193341572 (or 78193341566 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2111220222201 its reverse (1022220221112), we get a palindrome (3133440443313).

The spelling of 2111220222201 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, two hundred one".