121100021102012 has 12 divisors (see below), whose sum is σ = 211927578549456. Its totient is φ = 60549284373600.

The previous prime is 121100021101999. The next prime is 121100021102033. The reversal of 121100021102012 is 210201120001121.

It is a super-2 number, since 2×121100021102012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181169048 + ... + 181836255.

It is an arithmetic number, because the mean of its divisors is an integer number (17660631545788).

Almost surely, 2^{121100021102012} is an apocalyptic number.

It is an amenable number.

121100021102012 is a deficient number, since it is larger than the sum of its proper divisors (90827557447444).

121100021102012 is a wasteful number, since it uses less digits than its factorization.

121100021102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363088708 (or 363088706 counting only the distinct ones).

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

Adding to 121100021102012 its reverse (210201120001121), we get a palindrome (331301141103133).

The spelling of 121100021102012 in words is "one hundred twenty-one trillion, one hundred billion, twenty-one million, one hundred two thousand, twelve".