101230123211 has 4 divisors (see below), whose sum is σ = 115691569392. Its totient is φ = 86768677032.

The previous prime is 101230123201. The next prime is 101230123213. The reversal of 101230123211 is 112321032101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112321032101 = 83 ⋅1353265447.

It is a cyclic number.

It is not a de Polignac number, because 101230123211 - 2²² = 101225928907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101230123211.

It is not an unprimeable number, because it can be changed into a prime (101230123213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7230723080 + ... + 7230723093.

It is an arithmetic number, because the mean of its divisors is an integer number (28922892348).

Almost surely, 2^101230123211 is an apocalyptic number.

101230123211 is a deficient number, since it is larger than the sum of its proper divisors (14461446181).

101230123211 is an equidigital number, since it uses as much as digits as its factorization.

101230123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461446180.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101230123211 its reverse (112321032101), we get a palindrome (213551155312).

The spelling of 101230123211 in words is "one hundred one billion, two hundred thirty million, one hundred twenty-three thousand, two hundred eleven".