1102211291 has 4 divisors (see below), whose sum is σ = 1113574392. Its totient is φ = 1090848192.

The previous prime is 1102211263. The next prime is 1102211309. The reversal of 1102211291 is 1921122011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1921122011 = 283 ⋅6788417.

It is a cyclic number.

It is not a de Polignac number, because 1102211291 - 2²⁶ = 1035102427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102211251) 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, 5681405 + ... + 5681598.

It is an arithmetic number, because the mean of its divisors is an integer number (278393598).

Almost surely, 2^1102211291 is an apocalyptic number.

1102211291 is a deficient number, since it is larger than the sum of its proper divisors (11363101).

1102211291 is an equidigital number, since it uses as much as digits as its factorization.

1102211291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363100.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1102211291 is about 33199.5676327268. The cubic root of 1102211291 is about 1032.9713711665.

The spelling of 1102211291 in words is "one billion, one hundred two million, two hundred eleven thousand, two hundred ninety-one".