1224421101144 has 128 divisors (see below), whose sum is σ = 3421849536000. Its totient is φ = 405666237312.

The previous prime is 1224421101133. The next prime is 1224421101157. The reversal of 1224421101144 is 4411011244221.

1224421101144 is a `hidden beast` number, since 1 + 224 + 421 + 1 + 0 + 1 + 14 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23960629 + ... + 24011675.

It is an arithmetic number, because the mean of its divisors is an integer number (26733199500).

Almost surely, 2^{1224421101144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224421101144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710924768000).

1224421101144 is an abundant number, since it is smaller than the sum of its proper divisors (2197428434856).

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

1224421101144 is a wasteful number, since it uses less digits than its factorization.

1224421101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51734 (or 51724 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 1224421101144 its reverse (4411011244221), we get a palindrome (5635432345365).

The spelling of 1224421101144 in words is "one trillion, two hundred twenty-four billion, four hundred twenty-one million, one hundred one thousand, one hundred forty-four".