100001210122222 has 16 divisors (see below), whose sum is σ = 150048332969472. Its totient is φ = 49985099893080.

The previous prime is 100001210122217. The next prime is 100001210122249. The reversal of 100001210122222 is 222221012100001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100001210122196 and 100001210122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298858903 + ... + 299193325.

It is an arithmetic number, because the mean of its divisors is an integer number (9378020810592).

Almost surely, 2^{100001210122222} is an apocalyptic number.

100001210122222 is a deficient number, since it is larger than the sum of its proper divisors (50047122847250).

100001210122222 is a wasteful number, since it uses less digits than its factorization.

100001210122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380343.

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

Adding to 100001210122222 its reverse (222221012100001), we get a palindrome (322222222222223).

The spelling of 100001210122222 in words is "one hundred trillion, one billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".