20210021012211 has 8 divisors (see below), whose sum is σ = 27315827487120. Its totient is φ = 13288780939392.

The previous prime is 20210021012179. The next prime is 20210021012219. The reversal of 20210021012211 is 11221012001202.

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

It is not a de Polignac number, because 20210021012211 - 2⁵ = 20210021012179 is a prime.

It is a super-2 number, since 2×20210021012211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20210021012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46141600266 + ... + 46141600703.

It is an arithmetic number, because the mean of its divisors is an integer number (3414478435890).

Almost surely, 2^{20210021012211} is an apocalyptic number.

20210021012211 is a deficient number, since it is larger than the sum of its proper divisors (7105806474909).

20210021012211 is an equidigital number, since it uses as much as digits as its factorization.

20210021012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92283201045.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20210021012211 its reverse (11221012001202), we get a palindrome (31431033013413).

The spelling of 20210021012211 in words is "twenty trillion, two hundred ten billion, twenty-one million, twelve thousand, two hundred eleven".