121010200023 has 8 divisors (see below), whose sum is σ = 162248313600. Its totient is φ = 80222776568.

The previous prime is 121010200019. The next prime is 121010200111. The reversal of 121010200023 is 320002010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010200023 - 2² = 121010200019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121010199981 and 121010200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010200823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112671903 + ... + 112672976.

It is an arithmetic number, because the mean of its divisors is an integer number (20281039200).

Almost surely, 2^121010200023 is an apocalyptic number.

121010200023 is a deficient number, since it is larger than the sum of its proper divisors (41238113577).

121010200023 is a wasteful number, since it uses less digits than its factorization.

121010200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225345061.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 121010200023 its reverse (320002010121), we get a palindrome (441012210144).

The spelling of 121010200023 in words is "one hundred twenty-one billion, ten million, two hundred thousand, twenty-three".