102111210201 has 96 divisors (see below), whose sum is σ = 190393555968. Its totient is φ = 47825285760.

The previous prime is 102111210167. The next prime is 102111210203. The reversal of 102111210201 is 102012111201.

It is not a de Polignac number, because 102111210201 - 2²¹ = 102109113049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111210203) 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, 847420 + ... + 960386.

It is an arithmetic number, because the mean of its divisors is an integer number (1983266208).

Almost surely, 2^102111210201 is an apocalyptic number.

102111210201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102111210201 is a deficient number, since it is larger than the sum of its proper divisors (88282345767).

102111210201 is a wasteful number, since it uses less digits than its factorization.

102111210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113051 (or 113044 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102111210201 its reverse (102012111201), we get a palindrome (204123321402).

The spelling of 102111210201 in words is "one hundred two billion, one hundred eleven million, two hundred ten thousand, two hundred one".