11220120133031 has 8 divisors (see below), whose sum is σ = 11223203733504. Its totient is φ = 11217036754840.

The previous prime is 11220120133021. The next prime is 11220120133051. The reversal of 11220120133031 is 13033102102211.

It is a happy number.

11220120133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11220120133031 - 2²² = 11220115938727 is a prime.

It is a super-2 number, since 2×11220120133031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220120132994 and 11220120133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220120133021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163660346 + ... + 163728888.

It is an arithmetic number, because the mean of its divisors is an integer number (1402900466688).

Almost surely, 2^{11220120133031} is an apocalyptic number.

11220120133031 is a deficient number, since it is larger than the sum of its proper divisors (3083600473).

11220120133031 is an equidigital number, since it uses as much as digits as its factorization.

11220120133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111141.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11220120133031 its reverse (13033102102211), we get a palindrome (24253222235242).

The spelling of 11220120133031 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred thirty-three thousand, thirty-one".