110021221031 has 8 divisors (see below), whose sum is σ = 110108160000. Its totient is φ = 109934321560.

The previous prime is 110021220989. The next prime is 110021221067. The reversal of 110021221031 is 130122120011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110021221031 is a prime.

It is a super-2 number, since 2×110021221031² (a number of 23 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 = 110021220997 and 110021221015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021221831) 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, 7763330 + ... + 7777488.

It is an arithmetic number, because the mean of its divisors is an integer number (13763520000).

Almost surely, 2^110021221031 is an apocalyptic number.

110021221031 is a deficient number, since it is larger than the sum of its proper divisors (86938969).

110021221031 is a wasteful number, since it uses less digits than its factorization.

110021221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110021221031 its reverse (130122120011), we get a palindrome (240143341042).

The spelling of 110021221031 in words is "one hundred ten billion, twenty-one million, two hundred twenty-one thousand, thirty-one".