222010010100 has 108 divisors (see below), whose sum is σ = 697884436704. Its totient is φ = 59031973440.

The previous prime is 222010009957. The next prime is 222010010107. The reversal of 222010010100 is 1010010222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010010107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43144 + ... + 667743.

Almost surely, 2^222010010100 is an apocalyptic number.

222010010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222010010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348942218352).

222010010100 is an abundant number, since it is smaller than the sum of its proper divisors (475874426604).

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

222010010100 is a wasteful number, since it uses less digits than its factorization.

222010010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711254 (or 711244 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 222010010100 its reverse (1010010222), we get a palindrome (223020020322).

The spelling of 222010010100 in words is "two hundred twenty-two billion, ten million, ten thousand, one hundred".