20022212120001 has 24 divisors (see below), whose sum is σ = 33037496251200. Its totient is φ = 10561166830656.

The previous prime is 20022212119937. The next prime is 20022212120041. The reversal of 20022212120001 is 10002121222002.

It is not a de Polignac number, because 20022212120001 - 2⁶ = 20022212119937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022212120041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2820820926 + ... + 2820828023.

It is an arithmetic number, because the mean of its divisors is an integer number (1376562343800).

Almost surely, 2^{20022212120001} is an apocalyptic number.

20022212120001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20022212120001 is a deficient number, since it is larger than the sum of its proper divisors (13015284131199).

20022212120001 is a wasteful number, since it uses less digits than its factorization.

20022212120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641648985 (or 5641648972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20022212120001 its reverse (10002121222002), we get a palindrome (30024333342003).

The spelling of 20022212120001 in words is "twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, one".