1102201211 has 4 divisors (see below), whose sum is σ = 1102346712. Its totient is φ = 1102055712.

The previous prime is 1102201181. The next prime is 1102201223. The reversal of 1102201211 is 1121022011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102201211 - 2²² = 1098006907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102201192 and 1102201201.

It is not an unprimeable number, because it can be changed into a prime (1102201411) 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, 60725 + ... + 76758.

It is an arithmetic number, because the mean of its divisors is an integer number (275586678).

Almost surely, 2^1102201211 is an apocalyptic number.

1102201211 is a deficient number, since it is larger than the sum of its proper divisors (145501).

1102201211 is an equidigital number, since it uses as much as digits as its factorization.

1102201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145500.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102201211 is about 33199.4158231738. The cubic root of 1102201211 is about 1032.9682222291.

Adding to 1102201211 its reverse (1121022011), we get a palindrome (2223223222).

The spelling of 1102201211 in words is "one billion, one hundred two million, two hundred one thousand, two hundred eleven".