20214021122 has 16 divisors (see below), whose sum is σ = 32174287992. Its totient is φ = 9491838720.

The previous prime is 20214021097. The next prime is 20214021161. The reversal of 20214021122 is 22112041202.

It can be written as a sum of positive squares in 4 ways, for example, as 14373851881 + 5840169241 = 119891^2 + 76421^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20214021122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629153 + ... + 660500.

Almost surely, 2^20214021122 is an apocalyptic number.

20214021122 is a deficient number, since it is larger than the sum of its proper divisors (11960266870).

20214021122 is a wasteful number, since it uses less digits than its factorization.

20214021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290133.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20214021122 its reverse (22112041202), we get a palindrome (42326062324).

The spelling of 20214021122 in words is "twenty billion, two hundred fourteen million, twenty-one thousand, one hundred twenty-two".