11021021401 has 8 divisors (see below), whose sum is σ = 11934368264. Its totient is φ = 10117042560.

The previous prime is 11021021381. The next prime is 11021021411. The reversal of 11021021401 is 10412012011.

11021021401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 303595776 + 10717425625 = 17424^2 + 103525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021021401 - 2²⁵ = 10987466969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11021021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2339556 + ... + 2344261.

It is an arithmetic number, because the mean of its divisors is an integer number (1491796033).

Almost surely, 2^11021021401 is an apocalyptic number.

It is an amenable number.

11021021401 is a deficient number, since it is larger than the sum of its proper divisors (913346863).

11021021401 is a wasteful number, since it uses less digits than its factorization.

11021021401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684011.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021021401 its reverse (10412012011), we get a palindrome (21433033412).

The spelling of 11021021401 in words is "eleven billion, twenty-one million, twenty-one thousand, four hundred one".