102111122220201 has 24 divisors (see below), whose sum is σ = 154470999743424. Its totient is φ = 67400080657200.

The previous prime is 102111122220187. The next prime is 102111122220227. The reversal of 102111122220201 is 102022221111201.

102111122220201 is a `hidden beast` number, since 1 + 0 + 211 + 11 + 22 + 220 + 201 = 666.

It is not a de Polignac number, because 102111122220201 - 2¹⁷ = 102111122089129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111122220001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2080224861 + ... + 2080273946.

It is an arithmetic number, because the mean of its divisors is an integer number (6436291655976).

Almost surely, 2^{102111122220201} is an apocalyptic number.

It is an amenable number.

102111122220201 is a deficient number, since it is larger than the sum of its proper divisors (52359877523223).

102111122220201 is an equidigital number, since it uses as much as digits as its factorization.

102111122220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160498923 (or 4160498911 counting only the distinct ones).

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

Adding to 102111122220201 its reverse (102022221111201), we get a palindrome (204133343331402).

The spelling of 102111122220201 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".