121100022002212 has 48 divisors (see below), whose sum is σ = 238657621192704. Its totient is φ = 53267818356000.

The previous prime is 121100022002173. The next prime is 121100022002251. The reversal of 121100022002212 is 212200220001121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121100022002173) and next prime (121100022002251).

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 15 ways as a sum of consecutive naturals, for example, 35245137 + ... + 38528167.

It is an arithmetic number, because the mean of its divisors is an integer number (4972033774848).

Almost surely, 2^{121100022002212} is an apocalyptic number.

It is an amenable number.

121100022002212 is a deficient number, since it is larger than the sum of its proper divisors (117557599190492).

121100022002212 is a wasteful number, since it uses less digits than its factorization.

121100022002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310120 (or 3310118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121100022002212 its reverse (212200220001121), we get a palindrome (333300242003333).

The spelling of 121100022002212 in words is "one hundred twenty-one trillion, one hundred billion, twenty-two million, two thousand, two hundred twelve".