10121211023 has 48 divisors (see below), whose sum is σ = 13645526400. Its totient is φ = 7402207680.

The previous prime is 10121211013. The next prime is 10121211029. The reversal of 10121211023 is 32011212101.

It is not a de Polignac number, because 10121211023 - 2⁶ = 10121210959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10121210989 and 10121211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121211029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1111736 + ... + 1120802.

It is an arithmetic number, because the mean of its divisors is an integer number (284281800).

Almost surely, 2^10121211023 is an apocalyptic number.

10121211023 is a deficient number, since it is larger than the sum of its proper divisors (3524315377).

10121211023 is a wasteful number, since it uses less digits than its factorization.

10121211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9220 (or 9213 counting only the distinct ones).

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

Adding to 10121211023 its reverse (32011212101), we get a palindrome (42132423124).

The spelling of 10121211023 in words is "ten billion, one hundred twenty-one million, two hundred eleven thousand, twenty-three".