222020221122100 has 72 divisors (see below), whose sum is σ = 515454712085600. Its totient is φ = 82754732937600.

The previous prime is 222020221122083. The next prime is 222020221122101. The reversal of 222020221122100 is 1221122020222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020221122101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957693510 + ... + 957925309.

Almost surely, 2^{222020221122100} is an apocalyptic number.

222020221122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020221122100 is an abundant number, since it is smaller than the sum of its proper divisors (293434490963500).

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

222020221122100 is a wasteful number, since it uses less digits than its factorization.

222020221122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915618913 (or 1915618906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222020221122100 its reverse (1221122020222), we get a palindrome (223241343142322).

The spelling of 222020221122100 in words is "two hundred twenty-two trillion, twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred".