20100121122230 has 8 divisors (see below), whose sum is σ = 36180218020032. Its totient is φ = 8040048448888.

The previous prime is 20100121122209. The next prime is 20100121122247. The reversal of 20100121122230 is 3222112100102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20100121122199 and 20100121122208.

It is a congruent number.

It is an unprimeable number.

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, 1005006056102 + ... + 1005006056121.

It is an arithmetic number, because the mean of its divisors is an integer number (4522527252504).

Almost surely, 2^{20100121122230} is an apocalyptic number.

20100121122230 is a deficient number, since it is larger than the sum of its proper divisors (16080096897802).

20100121122230 is a wasteful number, since it uses less digits than its factorization.

20100121122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010012112230.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20100121122230 its reverse (3222112100102), we get a palindrome (23322233222332).

The spelling of 20100121122230 in words is "twenty trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty".