2021121112302 has 12 divisors (see below), whose sum is σ = 4379095743360. Its totient is φ = 673707037428.

The previous prime is 2021121112291. The next prime is 2021121112357. The reversal of 2021121112302 is 2032111211202.

2021121112302 is a `hidden beast` number, since 20 + 211 + 21 + 112 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 112284506239 = 2021121112302 / (2 + 0 + 2 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 3 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56142253102 + ... + 56142253137.

It is an arithmetic number, because the mean of its divisors is an integer number (364924645280).

Almost surely, 2^{2021121112302} is an apocalyptic number.

2021121112302 is an abundant number, since it is smaller than the sum of its proper divisors (2357974631058).

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

2021121112302 is a wasteful number, since it uses less digits than its factorization.

2021121112302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112284506247 (or 112284506244 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2021121112302 its reverse (2032111211202), we get a palindrome (4053232323504).

The spelling of 2021121112302 in words is "two trillion, twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, three hundred two".