1222222101011 has 8 divisors (see below), whose sum is σ = 1243901003184. Its totient is φ = 1200676608000.

The previous prime is 1222222101007. The next prime is 1222222101031. The reversal of 1222222101011 is 1101012222221.

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 1222222101011 - 2² = 1222222101007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222222101031) 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, 33333806 + ... + 33370451.

It is an arithmetic number, because the mean of its divisors is an integer number (155487625398).

Almost surely, 2^{1222222101011} is an apocalyptic number.

1222222101011 is a deficient number, since it is larger than the sum of its proper divisors (21678902173).

1222222101011 is an equidigital number, since it uses as much as digits as its factorization.

1222222101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66704581.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222222101011 its reverse (1101012222221), we get a palindrome (2323234323232).

The spelling of 1222222101011 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, eleven".