22021454201112 has 80 divisors (see below), whose sum is σ = 61697926794240. Its totient is φ = 7338406279104.

The previous prime is 22021454201083. The next prime is 22021454201119. The reversal of 22021454201112 is 21110245412022.

22021454201112 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 1 + 4 + 542 + 0 + 1 + 112 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021454201119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2520088 + ... + 7098855.

It is an arithmetic number, because the mean of its divisors is an integer number (771224084928).

Almost surely, 2^{22021454201112} is an apocalyptic number.

It is an amenable number.

22021454201112 is an abundant number, since it is smaller than the sum of its proper divisors (39676472593128).

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

22021454201112 is a wasteful number, since it uses less digits than its factorization.

22021454201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622494 (or 9622481 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 22021454201112 its reverse (21110245412022), we get a palindrome (43131699613134).

The spelling of 22021454201112 in words is "twenty-two trillion, twenty-one billion, four hundred fifty-four million, two hundred one thousand, one hundred twelve".