102121000100002 has 32 divisors (see below), whose sum is σ = 165878569072944. Its totient is φ = 46871669433600.

The previous prime is 102121000099931. The next prime is 102121000100017. The reversal of 102121000100002 is 200001000121201.

It can be written as a sum of positive squares in 8 ways, for example, as 1789706164401 + 100331293935601 = 1337799^2 + 10016551^2 .

It is a super-2 number, since 2×102121000100002² (a number of 29 digits) contains 22 as substring.

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, 448184368 + ... + 448412164.

Almost surely, 2^{102121000100002} is an apocalyptic number.

102121000100002 is a deficient number, since it is larger than the sum of its proper divisors (63757568972942).

102121000100002 is a wasteful number, since it uses less digits than its factorization.

102121000100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323254.

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

Adding to 102121000100002 its reverse (200001000121201), we get a palindrome (302122000221203).

The spelling of 102121000100002 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred thousand, two".