121021010100202 has 16 divisors (see below), whose sum is σ = 182444469336000. Its totient is φ = 60206189440320.

The previous prime is 121021010100187. The next prime is 121021010100223. The reversal of 121021010100202 is 202001010120121.

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, 137000677 + ... + 137881207.

It is an arithmetic number, because the mean of its divisors is an integer number (11402779333500).

Almost surely, 2^{121021010100202} is an apocalyptic number.

121021010100202 is a deficient number, since it is larger than the sum of its proper divisors (61423459235798).

121021010100202 is a wasteful number, since it uses less digits than its factorization.

121021010100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226061.

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

Adding to 121021010100202 its reverse (202001010120121), we get a palindrome (323022020220323).

The spelling of 121021010100202 in words is "one hundred twenty-one trillion, twenty-one billion, ten million, one hundred thousand, two hundred two".