20112202021022 has 4 divisors (see below), whose sum is σ = 30168303031536. Its totient is φ = 10056101010510.

The previous prime is 20112202020997. The next prime is 20112202021027. The reversal of 20112202021022 is 22012020221102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112202021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028050505254 + ... + 5028050505257.

It is an arithmetic number, because the mean of its divisors is an integer number (7542075757884).

Almost surely, 2^{20112202021022} is an apocalyptic number.

20112202021022 is a deficient number, since it is larger than the sum of its proper divisors (10056101010514).

20112202021022 is a wasteful number, since it uses less digits than its factorization.

20112202021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056101010513.

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

Adding to 20112202021022 its reverse (22012020221102), we get a palindrome (42124222242124).

The spelling of 20112202021022 in words is "twenty trillion, one hundred twelve billion, two hundred two million, twenty-one thousand, twenty-two".