11012521422 has 32 divisors (see below), whose sum is σ = 26039462400. Its totient is φ = 3037936608.

The previous prime is 11012521411. The next prime is 11012521433. The reversal of 11012521422 is 22412521011.

It is an interprime number because it is at equal distance from previous prime (11012521411) and next prime (11012521433).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4519522 + ... + 4521957.

It is an arithmetic number, because the mean of its divisors is an integer number (813733200).

Almost surely, 2^11012521422 is an apocalyptic number.

11012521422 is an abundant number, since it is smaller than the sum of its proper divisors (15026940978).

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

11012521422 is a wasteful number, since it uses less digits than its factorization.

11012521422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9041520.

The product of its (nonzero) digits is 320, while the sum is 21.

The spelling of 11012521422 in words is "eleven billion, twelve million, five hundred twenty-one thousand, four hundred twenty-two".