1200022220211 has 8 divisors (see below), whose sum is σ = 1655203062480. Its totient is φ = 772428095712.

The previous prime is 1200022220209. The next prime is 1200022220233. The reversal of 1200022220211 is 1120222200021.

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

It is not a de Polignac number, because 1200022220211 - 2¹ = 1200022220209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200022220911) 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, 6896679340 + ... + 6896679513.

It is an arithmetic number, because the mean of its divisors is an integer number (206900382810).

Almost surely, 2^{1200022220211} is an apocalyptic number.

1200022220211 is a deficient number, since it is larger than the sum of its proper divisors (455180842269).

1200022220211 is a wasteful number, since it uses less digits than its factorization.

1200022220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793358885.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200022220211 its reverse (1120222200021), we get a palindrome (2320244420232).

The spelling of 1200022220211 in words is "one trillion, two hundred billion, twenty-two million, two hundred twenty thousand, two hundred eleven".