11010442401021 has 16 divisors (see below), whose sum is σ = 17764747403904. Its totient is φ = 5921582467584.

The previous prime is 11010442401019. The next prime is 11010442401029. The reversal of 11010442401021 is 12010424401011.

It is not a de Polignac number, because 11010442401021 - 2¹ = 11010442401019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010442401029) 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, 15420787320 + ... + 15420788033.

It is an arithmetic number, because the mean of its divisors is an integer number (1110296712744).

Almost surely, 2^{11010442401021} is an apocalyptic number.

It is an amenable number.

11010442401021 is a deficient number, since it is larger than the sum of its proper divisors (6754305002883).

11010442401021 is a wasteful number, since it uses less digits than its factorization.

11010442401021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30841575380.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11010442401021 its reverse (12010424401011), we get a palindrome (23020866802032).

The spelling of 11010442401021 in words is "eleven trillion, ten billion, four hundred forty-two million, four hundred one thousand, twenty-one".