1201012022211 has 4 divisors (see below), whose sum is σ = 1601349362952. Its totient is φ = 800674681472.

The previous prime is 1201012022143. The next prime is 1201012022213. The reversal of 1201012022211 is 1122202101021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201012022211 - 2³⁴ = 1183832153027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201012022213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200168670366 + ... + 200168670371.

It is an arithmetic number, because the mean of its divisors is an integer number (400337340738).

Almost surely, 2^{1201012022211} is an apocalyptic number.

1201012022211 is a deficient number, since it is larger than the sum of its proper divisors (400337340741).

1201012022211 is an equidigital number, since it uses as much as digits as its factorization.

1201012022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400337340740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201012022211 its reverse (1122202101021), we get a palindrome (2323214123232).

The spelling of 1201012022211 in words is "one trillion, two hundred one billion, twelve million, twenty-two thousand, two hundred eleven".