11222021012013 has 72 divisors (see below), whose sum is σ = 18658757198016. Its totient is φ = 6366669724800.

The previous prime is 11222021012011. The next prime is 11222021012023. The reversal of 11222021012013 is 31021012022211.

11222021012013 is a `hidden beast` number, since 112 + 220 + 210 + 120 + 1 + 3 = 666.

11222021012013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11222021012013 - 2¹ = 11222021012011 is a prime.

It is a super-2 number, since 2×11222021012013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222021012011) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1224973153 + ... + 1224982313.

It is an arithmetic number, because the mean of its divisors is an integer number (259149405528).

Almost surely, 2^{11222021012013} is an apocalyptic number.

It is an amenable number.

11222021012013 is a deficient number, since it is larger than the sum of its proper divisors (7436736186003).

11222021012013 is an equidigital number, since it uses as much as digits as its factorization.

11222021012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063 (or 9861 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11222021012013 its reverse (31021012022211), we get a palindrome (42243033034224).

The spelling of 11222021012013 in words is "eleven trillion, two hundred twenty-two billion, twenty-one million, twelve thousand, thirteen".