20021012001122 has 8 divisors (see below), whose sum is σ = 32761656001872. Its totient is φ = 9100460000500.

The previous prime is 20021012001119. The next prime is 20021012001127. The reversal of 20021012001122 is 22110021012002.

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 = 20021012001097 and 20021012001106.

It is not an unprimeable number, because it can be changed into a prime (20021012001127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455023000004 + ... + 455023000047.

It is an arithmetic number, because the mean of its divisors is an integer number (4095207000234).

Almost surely, 2^{20021012001122} is an apocalyptic number.

20021012001122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021012001122 is a deficient number, since it is larger than the sum of its proper divisors (12740644000750).

20021012001122 is a wasteful number, since it uses less digits than its factorization.

20021012001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910046000064.

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

Adding to 20021012001122 its reverse (22110021012002), we get a palindrome (42131033013124).

The spelling of 20021012001122 in words is "twenty trillion, twenty-one billion, twelve million, one thousand, one hundred twenty-two".