20022121121101 has 48 divisors (see below), whose sum is σ = 24874281290880. Its totient is φ = 16000995225600.

The previous prime is 20022121121083. The next prime is 20022121121131. The reversal of 20022121121101 is 10112112122002.

It is not a de Polignac number, because 20022121121101 - 2⁷ = 20022121120973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022121121131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 832836 + ... + 6382621.

It is an arithmetic number, because the mean of its divisors is an integer number (518214193560).

Almost surely, 2^{20022121121101} is an apocalyptic number.

It is an amenable number.

20022121121101 is a deficient number, since it is larger than the sum of its proper divisors (4852160169779).

20022121121101 is a wasteful number, since it uses less digits than its factorization.

20022121121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215586 (or 7215575 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20022121121101 its reverse (10112112122002), we get a palindrome (30134233243103).

The spelling of 20022121121101 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred one".