20021211010022 has 8 divisors (see below), whose sum is σ = 30032530953096. Its totient is φ = 10010367358992.

The previous prime is 20021211009911. The next prime is 20021211010051. The reversal of 20021211010022 is 22001011212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20021211009979 and 20021211010006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118967903 + ... + 119136074.

It is an arithmetic number, because the mean of its divisors is an integer number (3754066369137).

Almost surely, 2^{20021211010022} is an apocalyptic number.

20021211010022 is a deficient number, since it is larger than the sum of its proper divisors (10011319943074).

20021211010022 is a wasteful number, since it uses less digits than its factorization.

20021211010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238146022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021211010022 its reverse (22001011212002), we get a palindrome (42022222222024).

The spelling of 20021211010022 in words is "twenty trillion, twenty-one billion, two hundred eleven million, ten thousand, twenty-two".