11020112031 has 8 divisors (see below), whose sum is σ = 14879476480. Its totient is φ = 7253744472.

The previous prime is 11020112029. The next prime is 11020112041. The reversal of 11020112031 is 13021102011.

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

It is not a de Polignac number, because 11020112031 - 2¹ = 11020112029 is a prime.

It is a super-2 number, since 2×11020112031² (a number of 21 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 = 11020111998 and 11020112016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020112021) 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, 23248945 + ... + 23249418.

It is an arithmetic number, because the mean of its divisors is an integer number (1859934560).

Almost surely, 2^11020112031 is an apocalyptic number.

11020112031 is a deficient number, since it is larger than the sum of its proper divisors (3859364449).

11020112031 is an equidigital number, since it uses as much as digits as its factorization.

11020112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46498445.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11020112031 its reverse (13021102011), we get a palindrome (24041214042).

The spelling of 11020112031 in words is "eleven billion, twenty million, one hundred twelve thousand, thirty-one".