102021100112002 has 4 divisors (see below), whose sum is σ = 153031650168006. Its totient is φ = 51010550056000.

The previous prime is 102021100111921. The next prime is 102021100112047. The reversal of 102021100112002 is 200211001120201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 100724487473281 + 1296612638721 = 10036159^2 + 1138689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505275027999 + ... + 25505275028002.

Almost surely, 2^{102021100112002} is an apocalyptic number.

102021100112002 is a deficient number, since it is larger than the sum of its proper divisors (51010550056004).

102021100112002 is an equidigital number, since it uses as much as digits as its factorization.

102021100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010550056003.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102021100112002 its reverse (200211001120201), we get a palindrome (302232101232203).

The spelling of 102021100112002 in words is "one hundred two trillion, twenty-one billion, one hundred million, one hundred twelve thousand, two".