10213120121311 has 4 divisors (see below), whose sum is σ = 10430420549472. Its totient is φ = 9995819693152.

The previous prime is 10213120121293. The next prime is 10213120121327. The reversal of 10213120121311 is 11312102131201.

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 10213120121311 - 2⁵ = 10213120121279 is a prime.

It is a super-2 number, since 2×10213120121311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213120121381) 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, 108650214010 + ... + 108650214103.

It is an arithmetic number, because the mean of its divisors is an integer number (2607605137368).

Almost surely, 2^{10213120121311} is an apocalyptic number.

10213120121311 is a deficient number, since it is larger than the sum of its proper divisors (217300428161).

10213120121311 is an equidigital number, since it uses as much as digits as its factorization.

10213120121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217300428160.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10213120121311 its reverse (11312102131201), we get a palindrome (21525222252512).

The spelling of 10213120121311 in words is "ten trillion, two hundred thirteen billion, one hundred twenty million, one hundred twenty-one thousand, three hundred eleven".