11021100020874 has 128 divisors (see below), whose sum is σ = 24954744460800. Its totient is φ = 3604500725760.

The previous prime is 11021100020873. The next prime is 11021100021031. The reversal of 11021100020874 is 47802000112011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11021100020873) 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, 2692668372 + ... + 2692672464.

It is an arithmetic number, because the mean of its divisors is an integer number (194958941100).

Almost surely, 2^{11021100020874} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021100020874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12477372230400).

11021100020874 is an abundant number, since it is smaller than the sum of its proper divisors (13933644439926).

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

11021100020874 is a wasteful number, since it uses less digits than its factorization.

11021100020874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997 (or 5991 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 11021100020874 its reverse (47802000112011), we get a palindrome (58823100132885).

The spelling of 11021100020874 in words is "eleven trillion, twenty-one billion, one hundred million, twenty thousand, eight hundred seventy-four".