22220022001100 has 144 divisors (see below), whose sum is σ = 61513289730816. Its totient is φ = 6764657760000.

The previous prime is 22220022001013. The next prime is 22220022001123. The reversal of 22220022001100 is 110022002222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33223751 + ... + 33885950.

Almost surely, 2^{22220022001100} is an apocalyptic number.

22220022001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220022001100 is an abundant number, since it is smaller than the sum of its proper divisors (39293267729716).

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

22220022001100 is a wasteful number, since it uses less digits than its factorization.

22220022001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67109776 (or 67109769 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22220022001100 its reverse (110022002222), we get a palindrome (22330044003322).

The spelling of 22220022001100 in words is "twenty-two trillion, two hundred twenty billion, twenty-two million, one thousand, one hundred".