121010221112004 has 72 divisors (see below), whose sum is σ = 350350039964288. Its totient is φ = 34498693825920.

The previous prime is 121010221111987. The next prime is 121010221112063. The reversal of 121010221112004 is 400211122010121.

It is a super-3 number, since 3×121010221112004³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525266992 + ... + 525497319.

Almost surely, 2^{121010221112004} is an apocalyptic number.

121010221112004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121010221112004 is an abundant number, since it is smaller than the sum of its proper divisors (229339818852284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121010221112004 is a wasteful number, since it uses less digits than its factorization.

121010221112004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050764785 (or 1050764780 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121010221112004 its reverse (400211122010121), we get a palindrome (521221343122125).

The spelling of 121010221112004 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, one hundred twelve thousand, four".