1102222131 has 4 divisors (see below), whose sum is σ = 1469629512. Its totient is φ = 734814752.

The previous prime is 1102222117. The next prime is 1102222133. The reversal of 1102222131 is 1312222011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312222011 = 3 ⋅437407337.

It is a cyclic number.

It is not a de Polignac number, because 1102222131 - 2⁹ = 1102221619 is a prime.

It is a super-2 number, since 2×1102222131² = 2429787252132362322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1102222131.

It is not an unprimeable number, because it can be changed into a prime (1102222133) 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, 183703686 + ... + 183703691.

It is an arithmetic number, because the mean of its divisors is an integer number (367407378).

Almost surely, 2^1102222131 is an apocalyptic number.

1102222131 is a deficient number, since it is larger than the sum of its proper divisors (367407381).

1102222131 is an equidigital number, since it uses as much as digits as its factorization.

1102222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367407380.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1102222131 is about 33199.7308874635. The cubic root of 1102222131 is about 1032.9747575024.

Adding to 1102222131 its reverse (1312222011), we get a palindrome (2414444142).

It can be divided in two parts, 11022 and 22131, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 1102222131 in words is "one billion, one hundred two million, two hundred twenty-two thousand, one hundred thirty-one".