1200111220201 has 8 divisors (see below), whose sum is σ = 1220511745440. Its totient is φ = 1179712683648.

The previous prime is 1200111220181. The next prime is 1200111220219. The reversal of 1200111220201 is 1020221110021.

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 1200111220201 - 2¹¹ = 1200111218153 is a prime.

It is a super-2 number, since 2×1200111220201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200111220001) 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, 746230 + ... + 1719616.

It is an arithmetic number, because the mean of its divisors is an integer number (152563968180).

Almost surely, 2^{1200111220201} is an apocalyptic number.

It is an amenable number.

1200111220201 is a deficient number, since it is larger than the sum of its proper divisors (20400525239).

1200111220201 is an equidigital number, since it uses as much as digits as its factorization.

1200111220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994343.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200111220201 its reverse (1020221110021), we get a palindrome (2220332330222).

The spelling of 1200111220201 in words is "one trillion, two hundred billion, one hundred eleven million, two hundred twenty thousand, two hundred one".