121010012101202 has 24 divisors (see below), whose sum is σ = 211151867319756. Its totient is φ = 51861005366688.

The previous prime is 121010012101177. The next prime is 121010012101309. The reversal of 121010012101202 is 202101210010121.

It can be written as a sum of positive squares in 2 ways, for example, as 98108054312401 + 22901957788801 = 9904951^2 + 4785599^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6969608 + ... + 17046860.

Almost surely, 2^{121010012101202} is an apocalyptic number.

121010012101202 is a deficient number, since it is larger than the sum of its proper divisors (90141855218554).

121010012101202 is a wasteful number, since it uses less digits than its factorization.

121010012101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199802 (or 10199795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121010012101202 its reverse (202101210010121), we get a palindrome (323111222111323).

The spelling of 121010012101202 in words is "one hundred twenty-one trillion, ten billion, twelve million, one hundred one thousand, two hundred two".