1120221031 has 8 divisors (see below), whose sum is σ = 1136830464. Its totient is φ = 1103634840.

The previous prime is 1120220977. The next prime is 1120221043. The reversal of 1120221031 is 1301220211.

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 1120221031 - 2²¹ = 1118123879 is a prime.

It is a super-2 number, since 2×1120221031² = 2509790316589405922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120221071) 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, 107410 + ... + 117376.

It is an arithmetic number, because the mean of its divisors is an integer number (142103808).

Almost surely, 2^1120221031 is an apocalyptic number.

1120221031 is a deficient number, since it is larger than the sum of its proper divisors (16609433).

1120221031 is an equidigital number, since it uses as much as digits as its factorization.

1120221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1120221031 is about 33469.7031806379. The cubic root of 1120221031 is about 1038.5671314817.

Adding to 1120221031 its reverse (1301220211), we get a palindrome (2421441242).

The spelling of 1120221031 in words is "one billion, one hundred twenty million, two hundred twenty-one thousand, thirty-one".