100020123211 has 16 divisors (see below), whose sum is σ = 105340956160. Its totient is φ = 94875973920.

The previous prime is 100020123199. The next prime is 100020123223. The reversal of 100020123211 is 112321020001.

It is an interprime number because it is at equal distance from previous prime (100020123199) and next prime (100020123223).

It is a cyclic number.

It is not a de Polignac number, because 100020123211 - 2⁵ = 100020123179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020123191 and 100020123200.

It is not an unprimeable number, because it can be changed into a prime (100020123311) 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, 34125 + ... + 448558.

It is an arithmetic number, because the mean of its divisors is an integer number (6583809760).

Almost surely, 2^100020123211 is an apocalyptic number.

100020123211 is a deficient number, since it is larger than the sum of its proper divisors (5320832949).

100020123211 is an equidigital number, since it uses as much as digits as its factorization.

100020123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482866.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100020123211 its reverse (112321020001), we get a palindrome (212341143212).

The spelling of 100020123211 in words is "one hundred billion, twenty million, one hundred twenty-three thousand, two hundred eleven".