20011121322 has 16 divisors (see below), whose sum is σ = 40071000672. Its totient is φ = 6662247440.

The previous prime is 20011121269. The next prime is 20011121327. The reversal of 20011121322 is 22312111002.

It is not an unprimeable number, because it can be changed into a prime (20011121327) 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, 2026248 + ... + 2036099.

It is an arithmetic number, because the mean of its divisors is an integer number (2504437542).

Almost surely, 2^20011121322 is an apocalyptic number.

20011121322 is an abundant number, since it is smaller than the sum of its proper divisors (20059879350).

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

20011121322 is a wasteful number, since it uses less digits than its factorization.

20011121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063173.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20011121322 its reverse (22312111002), we get a palindrome (42323232324).

The spelling of 20011121322 in words is "twenty billion, eleven million, one hundred twenty-one thousand, three hundred twenty-two".