1021122011322 has 48 divisors (see below), whose sum is σ = 2677227463872. Its totient is φ = 274587431040.

The previous prime is 1021122011309. The next prime is 1021122011333. The reversal of 1021122011322 is 2231102211201.

1021122011322 is a `hidden beast` number, since 102 + 11 + 220 + 11 + 322 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021122011295 and 1021122011304.

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, 238355004 + ... + 238359287.

It is an arithmetic number, because the mean of its divisors is an integer number (55775572164).

Almost surely, 2^{1021122011322} is an apocalyptic number.

1021122011322 is an abundant number, since it is smaller than the sum of its proper divisors (1656105452550).

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

1021122011322 is a wasteful number, since it uses less digits than its factorization.

1021122011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476714323 (or 476714320 counting only the distinct ones).

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

Adding to 1021122011322 its reverse (2231102211201), we get a palindrome (3252224222523).

The spelling of 1021122011322 in words is "one trillion, twenty-one billion, one hundred twenty-two million, eleven thousand, three hundred twenty-two".