20210021001122 has 16 divisors (see below), whose sum is σ = 30468091896000. Its totient is φ = 10053992781360.

The previous prime is 20210021001101. The next prime is 20210021001139. The reversal of 20210021001122 is 22110012001202.

It is a junction number, because it is equal to n+sod(n) for n = 20210021001097 and 20210021001106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16807904 + ... + 17970132.

It is an arithmetic number, because the mean of its divisors is an integer number (1904255743500).

Almost surely, 2^{20210021001122} is an apocalyptic number.

20210021001122 is a deficient number, since it is larger than the sum of its proper divisors (10258070894878).

20210021001122 is a wasteful number, since it uses less digits than its factorization.

20210021001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206121.

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

Adding to 20210021001122 its reverse (22110012001202), we get a palindrome (42320033002324).

The spelling of 20210021001122 in words is "twenty trillion, two hundred ten billion, twenty-one million, one thousand, one hundred twenty-two".