121111112001202 has 4 divisors (see below), whose sum is σ = 181666668001806. Its totient is φ = 60555556000600.

The previous prime is 121111112001179. The next prime is 121111112001211. The reversal of 121111112001202 is 202100211111121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118244724173521 + 2866387827681 = 10874039^2 + 1693041^2 .

It is a super-2 number, since 2×121111112001202² (a number of 29 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 30277778000299 + ... + 30277778000302.

Almost surely, 2^{121111112001202} is an apocalyptic number.

121111112001202 is a deficient number, since it is larger than the sum of its proper divisors (60555556000604).

121111112001202 is an equidigital number, since it uses as much as digits as its factorization.

121111112001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60555556000603.

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

Adding to 121111112001202 its reverse (202100211111121), we get a palindrome (323211323112323).

The spelling of 121111112001202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, one thousand, two hundred two".