121011002200021 has 8 divisors (see below), whose sum is σ = 121020530533760. Its totient is φ = 121001474240352.

The previous prime is 121011002199977. The next prime is 121011002200133. The reversal of 121011002200021 is 120002200110121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121011002200021 - 2¹³ = 121011002191829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011002199974 and 121011002200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011002500021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089711526 + ... + 1089822568.

It is an arithmetic number, because the mean of its divisors is an integer number (15127566316720).

Almost surely, 2^{121011002200021} is an apocalyptic number.

It is an amenable number.

121011002200021 is a deficient number, since it is larger than the sum of its proper divisors (9528333739).

121011002200021 is a wasteful number, since it uses less digits than its factorization.

121011002200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187035.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121011002200021 its reverse (120002200110121), we get a palindrome (241013202310142).

The spelling of 121011002200021 in words is "one hundred twenty-one trillion, eleven billion, two million, two hundred thousand, twenty-one".