1200023020211 has 2 divisors, whose sum is σ = 1200023020212. Its totient is φ = 1200023020210.

The previous prime is 1200023020187. The next prime is 1200023020243. The reversal of 1200023020211 is 1120203200021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200023020211 - 2¹⁴ = 1200023003827 is a prime.

It is a super-2 number, since 2×1200023020211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1200023020291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600011510105 + 600011510106.

It is an arithmetic number, because the mean of its divisors is an integer number (600011510106).

Almost surely, 2^{1200023020211} is an apocalyptic number.

1200023020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200023020211 is an equidigital number, since it uses as much as digits as its factorization.

1200023020211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200023020211 its reverse (1120203200021), we get a palindrome (2320226220232).

The spelling of 1200023020211 in words is "one trillion, two hundred billion, twenty-three million, twenty thousand, two hundred eleven".