102121000022002 has 8 divisors (see below), whose sum is σ = 164964692343276. Its totient is φ = 47132769240912.

The previous prime is 102121000021897. The next prime is 102121000022021. The reversal of 102121000022002 is 200220000121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84362369640201 + 17758630381801 = 9184899^2 + 4214099^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 1963865385013 + ... + 1963865385064.

Almost surely, 2^{102121000022002} is an apocalyptic number.

102121000022002 is a deficient number, since it is larger than the sum of its proper divisors (62843692321274).

102121000022002 is a wasteful number, since it uses less digits than its factorization.

102121000022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927730770092.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102121000022002 its reverse (200220000121201), we get a palindrome (302341000143203).

The spelling of 102121000022002 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-two thousand, two".