101211012023 has 4 divisors (see below), whose sum is σ = 110412013128. Its totient is φ = 92010010920.

The previous prime is 101211011953. The next prime is 101211012037. The reversal of 101211012023 is 320210112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101211012023 - 2²⁰ = 101209963447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101211011989 and 101211012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211512023) 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, 4600500536 + ... + 4600500557.

It is an arithmetic number, because the mean of its divisors is an integer number (27603003282).

Almost surely, 2^101211012023 is an apocalyptic number.

101211012023 is a deficient number, since it is larger than the sum of its proper divisors (9201001105).

101211012023 is an equidigital number, since it uses as much as digits as its factorization.

101211012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201001104.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101211012023 its reverse (320210112101), we get a palindrome (421421124124).

The spelling of 101211012023 in words is "one hundred one billion, two hundred eleven million, twelve thousand, twenty-three".