11101091202 has 128 divisors (see below), whose sum is σ = 26780544000. Its totient is φ = 3397023360.

The previous prime is 11101091201. The next prime is 11101091207. The reversal of 11101091202 is 20219010111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11101091201) 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, 6855949 + ... + 6857567.

It is an arithmetic number, because the mean of its divisors is an integer number (209223000).

Almost surely, 2^11101091202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101091202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13390272000).

11101091202 is an abundant number, since it is smaller than the sum of its proper divisors (15679452798).

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

11101091202 is a wasteful number, since it uses less digits than its factorization.

11101091202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 11101091202 in words is "eleven billion, one hundred one million, ninety-one thousand, two hundred two".