1222222001011 has 8 divisors (see below), whose sum is σ = 1333865816064. Its totient is φ = 1110666973320.

The previous prime is 1222222000981. The next prime is 1222222001057. The reversal of 1222222001011 is 1101002222221.

It is a happy number.

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 1222222001011 - 2⁹ = 1222222000499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222222001111) 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, 22168051 + ... + 22223116.

It is an arithmetic number, because the mean of its divisors is an integer number (166733227008).

Almost surely, 2^{1222222001011} is an apocalyptic number.

1222222001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222222001011 is a deficient number, since it is larger than the sum of its proper divisors (111643815053).

1222222001011 is a wasteful number, since it uses less digits than its factorization.

1222222001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44393681.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222222001011 its reverse (1101002222221), we get a palindrome (2323224223232).

The spelling of 1222222001011 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one thousand, eleven".