200120111221101 has 8 divisors (see below), whose sum is σ = 266830110948960. Its totient is φ = 133411759486992.

The previous prime is 200120111221031. The next prime is 200120111221109. The reversal of 200120111221101 is 101122111021002.

It is a happy number.

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

It is not a de Polignac number, because 200120111221101 - 2²² = 200120107026797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120111221109) 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, 411715066 + ... + 412200843.

It is an arithmetic number, because the mean of its divisors is an integer number (33353763868620).

Almost surely, 2^{200120111221101} is an apocalyptic number.

It is an amenable number.

200120111221101 is a deficient number, since it is larger than the sum of its proper divisors (66709999727859).

200120111221101 is an equidigital number, since it uses as much as digits as its factorization.

200120111221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823996875.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200120111221101 its reverse (101122111021002), we get a palindrome (301242222242103).

The spelling of 200120111221101 in words is "two hundred trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred one".