22001010201100 has 72 divisors (see below), whose sum is σ = 54563220279008. Its totient is φ = 7543104652800.

The previous prime is 22001010201083. The next prime is 22001010201143. The reversal of 22001010201100 is 110201010022.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 70657354 + ... + 70968046.

Almost surely, 2^{22001010201100} is an apocalyptic number.

22001010201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001010201100 is an abundant number, since it is smaller than the sum of its proper divisors (32562210077908).

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

22001010201100 is a wasteful number, since it uses less digits than its factorization.

22001010201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411875 (or 411868 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22001010201100 its reverse (110201010022), we get a palindrome (22111211211122).

The spelling of 22001010201100 in words is "twenty-two trillion, one billion, ten million, two hundred one thousand, one hundred".