222210112210000 has 100 divisors (see below), whose sum is σ = 542753904570372. Its totient is φ = 88097459968000.

The previous prime is 222210112209997. The next prime is 222210112210061. The reversal of 222210112210000 is 12211012222.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 222180607964176 + 29504245824 = 14905724^2 + 171768^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 97193059 + ... + 99453058.

Almost surely, 2^{222210112210000} is an apocalyptic number.

222210112210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222210112210000 is an abundant number, since it is smaller than the sum of its proper divisors (320543792360372).

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

222210112210000 is a wasteful number, since it uses less digits than its factorization.

222210112210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196646258 (or 196646237 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222210112210000 its reverse (12211012222), we get a palindrome (222222323222222).

The spelling of 222210112210000 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred twelve million, two hundred ten thousand".