20220021120122 has 8 divisors (see below), whose sum is σ = 32114151190836. Its totient is φ = 9515304056512.

The previous prime is 20220021120109. The next prime is 20220021120161. The reversal of 20220021120122 is 22102112002202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19998077430241 + 221943689881 = 4471921^2 + 471109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 20220021120122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297353251733 + ... + 297353251800.

Almost surely, 2^{20220021120122} is an apocalyptic number.

20220021120122 is a deficient number, since it is larger than the sum of its proper divisors (11894130070714).

20220021120122 is a wasteful number, since it uses less digits than its factorization.

20220021120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594706503552.

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

Adding to 20220021120122 its reverse (22102112002202), we get a palindrome (42322133122324).

The spelling of 20220021120122 in words is "twenty trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred twenty-two".