1011223222311 has 32 divisors (see below), whose sum is σ = 1425188782080. Its totient is φ = 636478866144.

The previous prime is 1011223222297. The next prime is 1011223222313. The reversal of 1011223222311 is 1132223221101.

It is not a de Polignac number, because 1011223222311 - 2²² = 1011219028007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011223222313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6144030 + ... + 6306468.

It is an arithmetic number, because the mean of its divisors is an integer number (44537149440).

Almost surely, 2^{1011223222311} is an apocalyptic number.

1011223222311 is a deficient number, since it is larger than the sum of its proper divisors (413965559769).

1011223222311 is a wasteful number, since it uses less digits than its factorization.

1011223222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163635.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1011223222311 its reverse (1132223221101), we get a palindrome (2143446443412).

The spelling of 1011223222311 in words is "one trillion, eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred eleven".