20212002101123 has 8 divisors (see below), whose sum is σ = 23662831728480. Its totient is φ = 16902022662720.

The previous prime is 20212002101107. The next prime is 20212002101171. The reversal of 20212002101123 is 32110120021202.

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

It is a cyclic number.

It is not a de Polignac number, because 20212002101123 - 2⁴ = 20212002101107 is a prime.

It is a super-2 number, since 2×20212002101123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20212002101623) 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, 35212546928 + ... + 35212547501.

It is an arithmetic number, because the mean of its divisors is an integer number (2957853966060).

Almost surely, 2^{20212002101123} is an apocalyptic number.

20212002101123 is a deficient number, since it is larger than the sum of its proper divisors (3450829627357).

20212002101123 is an equidigital number, since it uses as much as digits as its factorization.

20212002101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70425094477.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20212002101123 its reverse (32110120021202), we get a palindrome (52322122122325).

The spelling of 20212002101123 in words is "twenty trillion, two hundred twelve billion, two million, one hundred one thousand, one hundred twenty-three".