1200222022011 has 8 divisors (see below), whose sum is σ = 1604656510464. Its totient is φ = 797967774120.

The previous prime is 1200222021961. The next prime is 1200222022031. The reversal of 1200222022011 is 1102202220021.

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

It is not a de Polignac number, because 1200222022011 - 2²¹ = 1200219924859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200222022031) 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, 545058855 + ... + 545061056.

It is an arithmetic number, because the mean of its divisors is an integer number (200582063808).

Almost surely, 2^{1200222022011} is an apocalyptic number.

1200222022011 is a deficient number, since it is larger than the sum of its proper divisors (404434488453).

1200222022011 is a wasteful number, since it uses less digits than its factorization.

1200222022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090120281.

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

Adding to 1200222022011 its reverse (1102202220021), we get a palindrome (2302424242032).

The spelling of 1200222022011 in words is "one trillion, two hundred billion, two hundred twenty-two million, twenty-two thousand, eleven".