2211444401232 has 160 divisors (see below), whose sum is σ = 6290327393280. Its totient is φ = 663909698560.

The previous prime is 2211444401183. The next prime is 2211444401261. The reversal of 2211444401232 is 2321044441122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211444401232.

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, 36354619 + ... + 36415397.

It is an arithmetic number, because the mean of its divisors is an integer number (39314546208).

Almost surely, 2^{2211444401232} is an apocalyptic number.

2211444401232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211444401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3145163696640).

2211444401232 is an abundant number, since it is smaller than the sum of its proper divisors (4078882992048).

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

2211444401232 is a wasteful number, since it uses less digits than its factorization.

2211444401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441 (or 61435 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 2211444401232 its reverse (2321044441122), we get a palindrome (4532488842354).

The spelling of 2211444401232 in words is "two trillion, two hundred eleven billion, four hundred forty-four million, four hundred one thousand, two hundred thirty-two".