11221402434 has 16 divisors (see below), whose sum is σ = 24483060000. Its totient is φ = 3400424960.

The previous prime is 11221402427. The next prime is 11221402441. The reversal of 11221402434 is 43420412211.

It is an interprime number because it is at equal distance from previous prime (11221402427) and next prime (11221402441).

It is a super-2 number, since 2×11221402434² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85010559 + ... + 85010690.

It is an arithmetic number, because the mean of its divisors is an integer number (1530191250).

Almost surely, 2^11221402434 is an apocalyptic number.

11221402434 is an abundant number, since it is smaller than the sum of its proper divisors (13261657566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221402434 is a wasteful number, since it uses less digits than its factorization.

11221402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170021265.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11221402434 its reverse (43420412211), we get a palindrome (54641814645).

The spelling of 11221402434 in words is "eleven billion, two hundred twenty-one million, four hundred two thousand, four hundred thirty-four".