100121200111222 has 8 divisors (see below), whose sum is σ = 150661614225816. Its totient is φ = 49900662035952.

The previous prime is 100121200111217. The next prime is 100121200111223. The reversal of 100121200111222 is 222111002121001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×100121200111222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100121200111196 and 100121200111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121200111223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79969009048 + ... + 79969010299.

It is an arithmetic number, because the mean of its divisors is an integer number (18832701778227).

Almost surely, 2^{100121200111222} is an apocalyptic number.

100121200111222 is a deficient number, since it is larger than the sum of its proper divisors (50540414114594).

100121200111222 is a wasteful number, since it uses less digits than its factorization.

100121200111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159938019662.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100121200111222 its reverse (222111002121001), we get a palindrome (322232202232223).

The spelling of 100121200111222 in words is "one hundred trillion, one hundred twenty-one billion, two hundred million, one hundred eleven thousand, two hundred twenty-two".