22101201012 has 24 divisors (see below), whose sum is σ = 56257602912. Its totient is φ = 6697333600.

The previous prime is 22101200981. The next prime is 22101201019. The reversal of 22101201012 is 21010210122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101201019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83716539 + ... + 83716802.

It is an arithmetic number, because the mean of its divisors is an integer number (2344066788).

Almost surely, 2^22101201012 is an apocalyptic number.

22101201012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101201012 is an abundant number, since it is smaller than the sum of its proper divisors (34156401900).

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

22101201012 is a wasteful number, since it uses less digits than its factorization.

22101201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167433359 (or 167433357 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22101201012 its reverse (21010210122), we get a palindrome (43111411134).

The spelling of 22101201012 in words is "twenty-two billion, one hundred one million, two hundred one thousand, twelve".