102120010020002 has 8 divisors (see below), whose sum is σ = 164963093109276. Its totient is φ = 47132312316912.

The previous prime is 102120010019899. The next prime is 102120010020043. The reversal of 102120010020002 is 200020010021201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97652362650241 + 4467647369761 = 9881921^2 + 2113681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963846346513 + ... + 1963846346564.

Almost surely, 2^{102120010020002} is an apocalyptic number.

102120010020002 is a deficient number, since it is larger than the sum of its proper divisors (62843083089274).

102120010020002 is a wasteful number, since it uses less digits than its factorization.

102120010020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927692693092.

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

Adding to 102120010020002 its reverse (200020010021201), we get a palindrome (302140020041203).

The spelling of 102120010020002 in words is "one hundred two trillion, one hundred twenty billion, ten million, twenty thousand, two".