1012222111011 has 32 divisors (see below), whose sum is σ = 1390888267776. Its totient is φ = 654395328000.

The previous prime is 1012222111001. The next prime is 1012222111037. The reversal of 1012222111011 is 1101112222101.

It is a happy number.

It is not a de Polignac number, because 1012222111011 - 2⁶ = 1012222110947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012222111001) 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, 14331295 + ... + 14401751.

It is an arithmetic number, because the mean of its divisors is an integer number (43465258368).

Almost surely, 2^{1012222111011} is an apocalyptic number.

1012222111011 is a deficient number, since it is larger than the sum of its proper divisors (378666156765).

1012222111011 is a wasteful number, since it uses less digits than its factorization.

1012222111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71203.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012222111011 its reverse (1101112222101), we get a palindrome (2113334333112).

The spelling of 1012222111011 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred eleven thousand, eleven".