10222120031 has 4 divisors (see below), whose sum is σ = 10223440200. Its totient is φ = 10220799864.

The previous prime is 10222120001. The next prime is 10222120037. The reversal of 10222120031 is 13002122201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222120031 is a prime.

It is a super-2 number, since 2×10222120031² (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 = 10222119988 and 10222120015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222120037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648401 + ... + 663978.

It is an arithmetic number, because the mean of its divisors is an integer number (2555860050).

Almost surely, 2^10222120031 is an apocalyptic number.

10222120031 is a deficient number, since it is larger than the sum of its proper divisors (1320169).

10222120031 is an equidigital number, since it uses as much as digits as its factorization.

10222120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320168.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10222120031 its reverse (13002122201), we get a palindrome (23224242232).

The spelling of 10222120031 in words is "ten billion, two hundred twenty-two million, one hundred twenty thousand, thirty-one".