2021031011322 has 12 divisors (see below), whose sum is σ = 4378900524570. Its totient is φ = 673677003768.

The previous prime is 2021031011309. The next prime is 2021031011359. The reversal of 2021031011322 is 2231101301202.

2021031011322 is a `hidden beast` number, since 2 + 0 + 21 + 0 + 310 + 11 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1591889413401 + 429141597921 = 1261701^2 + 655089^2 .

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: 112279500629 = 2021031011322 / (2 + 0 + 2 + 1 + 0 + 3 + 1 + 0 + 1 + 1 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2021031011295 and 2021031011304.

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, 56139750297 + ... + 56139750332.

Almost surely, 2^{2021031011322} is an apocalyptic number.

2021031011322 is an abundant number, since it is smaller than the sum of its proper divisors (2357869513248).

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

2021031011322 is a wasteful number, since it uses less digits than its factorization.

2021031011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112279500637 (or 112279500634 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2021031011322 its reverse (2231101301202), we get a palindrome (4252132312524).

The spelling of 2021031011322 in words is "two trillion, twenty-one billion, thirty-one million, eleven thousand, three hundred twenty-two".