11000020111002 has 24 divisors (see below), whose sum is σ = 25666713592884. Its totient is φ = 3384621572544.

The previous prime is 11000020110977. The next prime is 11000020111013. The reversal of 11000020111002 is 20011102000011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10999032957441 + 987153561 = 3316479^2 + 31419^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23504316243 + ... + 23504316710.

Almost surely, 2^{11000020111002} is an apocalyptic number.

11000020111002 is an abundant number, since it is smaller than the sum of its proper divisors (14666693481882).

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

11000020111002 is a wasteful number, since it uses less digits than its factorization.

11000020111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47008632974 (or 47008632971 counting only the distinct ones).

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

Adding to 11000020111002 its reverse (20011102000011), we get a palindrome (31011122111013).

The spelling of 11000020111002 in words is "eleven trillion, twenty million, one hundred eleven thousand, two".