20021211200022 has 32 divisors (see below), whose sum is σ = 40064486851584. Its totient is φ = 6670060425600.

The previous prime is 20021211199819. The next prime is 20021211200033. The reversal of 20021211200022 is 22000211212002.

It is a super-3 number, since 3×20021211200022³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021211199974 and 20021211200010.

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, 109993747 + ... + 110175617.

It is an arithmetic number, because the mean of its divisors is an integer number (1252015214112).

Almost surely, 2^{20021211200022} is an apocalyptic number.

20021211200022 is an abundant number, since it is smaller than the sum of its proper divisors (20043275651562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20021211200022 is a wasteful number, since it uses less digits than its factorization.

20021211200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191884.

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

Adding to 20021211200022 its reverse (22000211212002), we get a palindrome (42021422412024).

The spelling of 20021211200022 in words is "twenty trillion, twenty-one billion, two hundred eleven million, two hundred thousand, twenty-two".