102121200002 has 32 divisors (see below), whose sum is σ = 160359623424. Its totient is φ = 48682656000.

The previous prime is 102121199993. The next prime is 102121200007. The reversal of 102121200002 is 200002121201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102121200007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20096102 + ... + 20101182.

It is an arithmetic number, because the mean of its divisors is an integer number (5011238232).

Almost surely, 2^102121200002 is an apocalyptic number.

102121200002 is a deficient number, since it is larger than the sum of its proper divisors (58238423422).

102121200002 is a wasteful number, since it uses less digits than its factorization.

102121200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434.

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

Adding to 102121200002 its reverse (200002121201), we get a palindrome (302123321203).

The spelling of 102121200002 in words is "one hundred two billion, one hundred twenty-one million, two hundred thousand, two".