11111020201000 has 64 divisors (see below), whose sum is σ = 26257211145360. Its totient is φ = 4400404000000.

The previous prime is 11111020200997. The next prime is 11111020201019. The reversal of 11111020201000 is 10202011111.

It can be written as a sum of positive squares in 8 ways, for example, as 200537378596 + 10910482822404 = 447814^2 + 3303102^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54904051 + ... + 55106050.

Almost surely, 2^{11111020201000} is an apocalyptic number.

11111020201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111020201000 is an abundant number, since it is smaller than the sum of its proper divisors (15146190944360).

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

11111020201000 is a wasteful number, since it uses less digits than its factorization.

11111020201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010223 (or 110010209 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11111020201000 its reverse (10202011111), we get a palindrome (11121222212111).

The spelling of 11111020201000 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred one thousand".