11310122222021 has 4 divisors (see below), whose sum is σ = 12925853968032. Its totient is φ = 9694390476012.

The previous prime is 11310122221997. The next prime is 11310122222029. The reversal of 11310122222021 is 12022222101311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11310122222021 - 2³⁴ = 11292942352837 is a prime.

It is a super-3 number, since 3×11310122222021³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11310122221984 and 11310122222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310122222029) 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, 807865872995 + ... + 807865873008.

It is an arithmetic number, because the mean of its divisors is an integer number (3231463492008).

Almost surely, 2^{11310122222021} is an apocalyptic number.

It is an amenable number.

11310122222021 is a deficient number, since it is larger than the sum of its proper divisors (1615731746011).

11310122222021 is an equidigital number, since it uses as much as digits as its factorization.

11310122222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615731746010.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11310122222021 its reverse (12022222101311), we get a palindrome (23332344323332).

The spelling of 11310122222021 in words is "eleven trillion, three hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-one".