11221101402 has 128 divisors (see below), whose sum is σ = 27371962368. Its totient is φ = 2997561600.

The previous prime is 11221101401. The next prime is 11221101431. The reversal of 11221101402 is 20410112211.

It is not an unprimeable number, because it can be changed into a prime (11221101401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11254368 + ... + 11255364.

It is an arithmetic number, because the mean of its divisors is an integer number (213843456).

Almost surely, 2^11221101402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221101402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685981184).

11221101402 is an abundant number, since it is smaller than the sum of its proper divisors (16150860966).

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

11221101402 is a wasteful number, since it uses less digits than its factorization.

11221101402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11221101402 its reverse (20410112211), we get a palindrome (31631213613).

The spelling of 11221101402 in words is "eleven billion, two hundred twenty-one million, one hundred one thousand, four hundred two".