11200022421 has 16 divisors (see below), whose sum is σ = 17080694784. Its totient is φ = 6394765104.

The previous prime is 11200022419. The next prime is 11200022423. The reversal of 11200022421 is 12422000211.

It is an interprime number because it is at equal distance from previous prime (11200022419) and next prime (11200022423).

It is not a de Polignac number, because 11200022421 - 2¹ = 11200022419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200022421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200022423) 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, 192361 + ... + 243726.

It is an arithmetic number, because the mean of its divisors is an integer number (1067543424).

Almost surely, 2^11200022421 is an apocalyptic number.

It is an amenable number.

11200022421 is a deficient number, since it is larger than the sum of its proper divisors (5880672363).

11200022421 is a wasteful number, since it uses less digits than its factorization.

11200022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437320.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11200022421 its reverse (12422000211), we get a palindrome (23622022632).

It can be divided in two parts, 112000 and 22421, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 11200022421 in words is "eleven billion, two hundred million, twenty-two thousand, four hundred twenty-one".