21011113113322 has 8 divisors (see below), whose sum is σ = 31555627236900. Its totient is φ = 10492570701024.

The previous prime is 21011113113313. The next prime is 21011113113443. The reversal of 21011113113322 is 22331131111012.

It can be written as a sum of positive squares in 2 ways, for example, as 20437081106121 + 574032007201 = 4520739^2 + 757649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21011113113322² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21011113113293 and 21011113113302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6492925797 + ... + 6492929032.

Almost surely, 2^{21011113113322} is an apocalyptic number.

21011113113322 is a deficient number, since it is larger than the sum of its proper divisors (10544514123578).

21011113113322 is a wasteful number, since it uses less digits than its factorization.

21011113113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985855640.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 21011113113322 its reverse (22331131111012), we get a palindrome (43342244224334).

The spelling of 21011113113322 in words is "twenty-one trillion, eleven billion, one hundred thirteen million, one hundred thirteen thousand, three hundred twenty-two".