102121001002 has 32 divisors (see below), whose sum is σ = 166761794304. Its totient is φ = 46711641600.

The previous prime is 102121000963. The next prime is 102121001011. The reversal of 102121001002 is 200100121201.

It is a self number, because there is not a number n which added to its sum of digits gives 102121001002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242613 + ... + 512935.

It is an arithmetic number, because the mean of its divisors is an integer number (5211306072).

Almost surely, 2^102121001002 is an apocalyptic number.

102121001002 is a deficient number, since it is larger than the sum of its proper divisors (64640793302).

102121001002 is a wasteful number, since it uses less digits than its factorization.

102121001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270654.

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

Adding to 102121001002 its reverse (200100121201), we get a palindrome (302221122203).

The spelling of 102121001002 in words is "one hundred two billion, one hundred twenty-one million, one thousand, two".