20210222021001 has 16 divisors (see below), whose sum is σ = 27028906223808. Its totient is φ = 13432511188800.

The previous prime is 20210222020969. The next prime is 20210222021021. The reversal of 20210222021001 is 10012022201202.

It is not a de Polignac number, because 20210222021001 - 2⁵ = 20210222020969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20210222021021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58993135 + ... + 59334731.

It is an arithmetic number, because the mean of its divisors is an integer number (1689306638988).

Almost surely, 2^{20210222021001} is an apocalyptic number.

It is an amenable number.

20210222021001 is a deficient number, since it is larger than the sum of its proper divisors (6818684202807).

20210222021001 is a wasteful number, since it uses less digits than its factorization.

20210222021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401512.

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

Adding to 20210222021001 its reverse (10012022201202), we get a palindrome (30222244222203).

The spelling of 20210222021001 in words is "twenty trillion, two hundred ten billion, two hundred twenty-two million, twenty-one thousand, one".