10100212212222 has 32 divisors (see below), whose sum is σ = 24485362940160. Its totient is φ = 3060670367160.

The previous prime is 10100212212221. The next prime is 10100212212281. The reversal of 10100212212222 is 22221221200101.

It is a happy number.

10100212212222 is a `hidden beast` number, since 10 + 10 + 0 + 212 + 212 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10100212212195 and 10100212212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100212212221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8501861538 + ... + 8501862725.

It is an arithmetic number, because the mean of its divisors is an integer number (765167591880).

Almost surely, 2^{10100212212222} is an apocalyptic number.

10100212212222 is an abundant number, since it is smaller than the sum of its proper divisors (14385150727938).

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

10100212212222 is a wasteful number, since it uses less digits than its factorization.

10100212212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003724285 (or 17003724279 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10100212212222 its reverse (22221221200101), we get a palindrome (32321433412323).

The spelling of 10100212212222 in words is "ten trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, two hundred twenty-two".