110021200121 has 8 divisors (see below), whose sum is σ = 125745696384. Its totient is φ = 94298499360.

The previous prime is 110021200111. The next prime is 110021200147. The reversal of 110021200121 is 121002120011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110021200121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110021200111) 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, 314900 + ... + 564981.

It is an arithmetic number, because the mean of its divisors is an integer number (15718212048).

Almost surely, 2^110021200121 is an apocalyptic number.

It is an amenable number.

110021200121 is a deficient number, since it is larger than the sum of its proper divisors (15724496263).

110021200121 is an equidigital number, since it uses as much as digits as its factorization.

110021200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897751.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110021200121 its reverse (121002120011), we get a palindrome (231023320132).

The spelling of 110021200121 in words is "one hundred ten billion, twenty-one million, two hundred thousand, one hundred twenty-one".