11421240222 has 16 divisors (see below), whose sum is σ = 26105692032. Its totient is φ = 3263211480.

The previous prime is 11421240197. The next prime is 11421240251. The reversal of 11421240222 is 22204212411.

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 7 ways as a sum of consecutive naturals, for example, 135967104 + ... + 135967187.

It is an arithmetic number, because the mean of its divisors is an integer number (1631605752).

Almost surely, 2^11421240222 is an apocalyptic number.

11421240222 is an abundant number, since it is smaller than the sum of its proper divisors (14684451810).

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

11421240222 is a wasteful number, since it uses less digits than its factorization.

11421240222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271934303.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11421240222 its reverse (22204212411), we get a palindrome (33625452633).

The spelling of 11421240222 in words is "eleven billion, four hundred twenty-one million, two hundred forty thousand, two hundred twenty-two".