2211022022112 has 144 divisors (see below), whose sum is σ = 6386793062832. Its totient is φ = 725467392000.

The previous prime is 2211022022101. The next prime is 2211022022249. The reversal of 2211022022112 is 2112202201122.

It is a happy number.

2211022022112 is a `hidden beast` number, since 2 + 211 + 0 + 220 + 221 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4609612 + ... + 5066612.

It is an arithmetic number, because the mean of its divisors is an integer number (44352729603).

Almost surely, 2^{2211022022112} 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 2211022022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193396531416).

2211022022112 is an abundant number, since it is smaller than the sum of its proper divisors (4175771040720).

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

2211022022112 is a wasteful number, since it uses less digits than its factorization.

2211022022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457281 (or 457270 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2211022022112 its reverse (2112202201122), we get a palindrome (4323224223234).

The spelling of 2211022022112 in words is "two trillion, two hundred eleven billion, twenty-two million, twenty-two thousand, one hundred twelve".