11402223234021 has 16 divisors (see below), whose sum is σ = 17169103597120. Its totient is φ = 7476867693360.

The previous prime is 11402223234011. The next prime is 11402223234037. The reversal of 11402223234021 is 12043232220411.

11402223234021 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 22 + 232 + 3 + 402 + 1 = 666.

It is not a de Polignac number, because 11402223234021 - 2¹⁸ = 11402222971877 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402223234011) 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, 3461511175 + ... + 3461514468.

It is an arithmetic number, because the mean of its divisors is an integer number (1073068974820).

Almost surely, 2^{11402223234021} is an apocalyptic number.

It is an amenable number.

11402223234021 is a deficient number, since it is larger than the sum of its proper divisors (5766880363099).

11402223234021 is an equidigital number, since it uses as much as digits as its factorization.

11402223234021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923025713 (or 6923025707 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11402223234021 its reverse (12043232220411), we get a palindrome (23445455454432).

The spelling of 11402223234021 in words is "eleven trillion, four hundred two billion, two hundred twenty-three million, two hundred thirty-four thousand, twenty-one".