20012211021022 has 32 divisors (see below), whose sum is σ = 32828781807360. Its totient is φ = 9073821814080.

The previous prime is 20012211021007. The next prime is 20012211021041. The reversal of 20012211021022 is 22012011221002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012211020987 and 20012211021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46016418 + ... + 46449274.

It is an arithmetic number, because the mean of its divisors is an integer number (1025899431480).

Almost surely, 2^{20012211021022} is an apocalyptic number.

20012211021022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012211021022 is a deficient number, since it is larger than the sum of its proper divisors (12816570786338).

20012211021022 is a wasteful number, since it uses less digits than its factorization.

20012211021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438096.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012211021022 its reverse (22012011221002), we get a palindrome (42024222242024).

The spelling of 20012211021022 in words is "twenty trillion, twelve billion, two hundred eleven million, twenty-one thousand, twenty-two".