100121111200222 has 48 divisors (see below), whose sum is σ = 184176172686240. Its totient is φ = 40620308585472.

The previous prime is 100121111200211. The next prime is 100121111200223. The reversal of 100121111200222 is 222002111121001.

It is a junction number, because it is equal to n+sod(n) for n = 100121111200196 and 100121111200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121111200223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228746847 + ... + 229184122.

It is an arithmetic number, because the mean of its divisors is an integer number (3837003597630).

Almost surely, 2^{100121111200222} is an apocalyptic number.

100121111200222 is a deficient number, since it is larger than the sum of its proper divisors (84055061486018).

100121111200222 is a wasteful number, since it uses less digits than its factorization.

100121111200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457931105 (or 457931098 counting only the distinct ones).

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

Adding to 100121111200222 its reverse (222002111121001), we get a palindrome (322123222321223).

The spelling of 100121111200222 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thousand, two hundred twenty-two".