102101021002 has 8 divisors (see below), whose sum is σ = 154165780512. Its totient is φ = 50712427500.

The previous prime is 102101020997. The next prime is 102101021041. The reversal of 102101021002 is 200120101201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102101021002.

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, 169041124 + ... + 169041727.

It is an arithmetic number, because the mean of its divisors is an integer number (19270722564).

Almost surely, 2^102101021002 is an apocalyptic number.

102101021002 is a deficient number, since it is larger than the sum of its proper divisors (52064759510).

102101021002 is a wasteful number, since it uses less digits than its factorization.

102101021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338083004.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102101021002 its reverse (200120101201), we get a palindrome (302221122203).

The spelling of 102101021002 in words is "one hundred two billion, one hundred one million, twenty-one thousand, two".