11001021102 has 32 divisors (see below), whose sum is σ = 24451005600. Its totient is φ = 3666363264.

The previous prime is 11001021077. The next prime is 11001021107. The reversal of 11001021102 is 20112010011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001021107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369558 + ... + 398214.

It is an arithmetic number, because the mean of its divisors is an integer number (764093925).

Almost surely, 2^11001021102 is an apocalyptic number.

11001021102 is an abundant number, since it is smaller than the sum of its proper divisors (13449984498).

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

11001021102 is a wasteful number, since it uses less digits than its factorization.

11001021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35777 (or 35771 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001021102 its reverse (20112010011), we get a palindrome (31113031113).

The spelling of 11001021102 in words is "eleven billion, one million, twenty-one thousand, one hundred two".