102121002120010 has 8 divisors (see below), whose sum is σ = 183817803816036. Its totient is φ = 40848400848000.

The previous prime is 102121002119993. The next prime is 102121002120023. The reversal of 102121002120010 is 10021200121201.

It can be written as a sum of positive squares in 2 ways, for example, as 100470010981729 + 1650991138281 = 10023473^2 + 1284909^2 .

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, 5106050105991 + ... + 5106050106010.

Almost surely, 2^{102121002120010} is an apocalyptic number.

102121002120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121002120010 is a deficient number, since it is larger than the sum of its proper divisors (81696801696026).

102121002120010 is a wasteful number, since it uses less digits than its factorization.

102121002120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212100212008.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102121002120010 its reverse (10021200121201), we get a palindrome (112142202241211).

The spelling of 102121002120010 in words is "one hundred two trillion, one hundred twenty-one billion, two million, one hundred twenty thousand, ten".