20102222021122 has 8 divisors (see below), whose sum is σ = 30156694259472. Its totient is φ = 10049990601300.

The previous prime is 20102222021069. The next prime is 20102222021129. The reversal of 20102222021122 is 22112022220102.

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

It is a super-2 number, since 2×20102222021122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20102222021122.

It is not an unprimeable number, because it can be changed into a prime (20102222021129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560182204 + ... + 560218087.

It is an arithmetic number, because the mean of its divisors is an integer number (3769586782434).

Almost surely, 2^{20102222021122} is an apocalyptic number.

20102222021122 is a deficient number, since it is larger than the sum of its proper divisors (10054472238350).

20102222021122 is a wasteful number, since it uses less digits than its factorization.

20102222021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120409264.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20102222021122 its reverse (22112022220102), we get a palindrome (42214244241224).

The spelling of 20102222021122 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty-one thousand, one hundred twenty-two".