102121111110202 has 16 divisors (see below), whose sum is σ = 154701483747624. Its totient is φ = 50553970560000.

The previous prime is 102121111110163. The next prime is 102121111110287. The reversal of 102121111110202 is 202011111121201.

It can be written as a sum of positive squares in 4 ways, for example, as 100629808536481 + 1491302573721 = 10031441^2 + 1221189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4764202 + ... + 15064522.

Almost surely, 2^{102121111110202} is an apocalyptic number.

102121111110202 is a deficient number, since it is larger than the sum of its proper divisors (52580372637422).

102121111110202 is a wasteful number, since it uses less digits than its factorization.

102121111110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349505.

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

Adding to 102121111110202 its reverse (202011111121201), we get a palindrome (304132222231403).

The spelling of 102121111110202 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, two hundred two".