121033032021 has 12 divisors (see below), whose sum is σ = 190718717280. Its totient is φ = 73353352680.

The previous prime is 121033032007. The next prime is 121033032047. The reversal of 121033032021 is 120230330121.

121033032021 is a `hidden beast` number, since 1 + 2 + 10 + 330 + 320 + 2 + 1 = 666.

It is not a de Polignac number, because 121033032021 - 2³⁰ = 119959290197 is a prime.

It is a super-2 number, since 2×121033032021² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121033031985 and 121033032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033012021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611277841 + ... + 611278038.

It is an arithmetic number, because the mean of its divisors is an integer number (15893226440).

Almost surely, 2^121033032021 is an apocalyptic number.

121033032021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121033032021 is a deficient number, since it is larger than the sum of its proper divisors (69685685259).

121033032021 is a wasteful number, since it uses less digits than its factorization.

121033032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222555896 (or 1222555893 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121033032021 its reverse (120230330121), we get a palindrome (241263362142).

The spelling of 121033032021 in words is "one hundred twenty-one billion, thirty-three million, thirty-two thousand, twenty-one".