102120002201 has 24 divisors (see below), whose sum is σ = 127001567616. Its totient is φ = 80373127680.

The previous prime is 102120002137. The next prime is 102120002207. The reversal of 102120002201 is 102200021201.

It is a happy number.

It is not a de Polignac number, because 102120002201 - 2⁶ = 102120002137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102120002207) 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, 532661 + ... + 698546.

It is an arithmetic number, because the mean of its divisors is an integer number (5291731984).

Almost surely, 2^102120002201 is an apocalyptic number.

It is an amenable number.

102120002201 is a deficient number, since it is larger than the sum of its proper divisors (24881565415).

102120002201 is a wasteful number, since it uses less digits than its factorization.

102120002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231289 (or 1231272 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102120002201 its reverse (102200021201), we get a palindrome (204320023402).

The spelling of 102120002201 in words is "one hundred two billion, one hundred twenty million, two thousand, two hundred one".