1222010012011 has 4 divisors (see below), whose sum is σ = 1293892953912. Its totient is φ = 1150127070112.

The previous prime is 1222010011991. The next prime is 1222010012029. The reversal of 1222010012011 is 1102100102221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1222010012011 - 2⁷ = 1222010011883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222010011982 and 1222010012000.

It is not an unprimeable number, because it can be changed into a prime (1222010012711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35941470925 + ... + 35941470958.

It is an arithmetic number, because the mean of its divisors is an integer number (323473238478).

Almost surely, 2^{1222010012011} is an apocalyptic number.

1222010012011 is a deficient number, since it is larger than the sum of its proper divisors (71882941901).

1222010012011 is an equidigital number, since it uses as much as digits as its factorization.

1222010012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71882941900.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222010012011 its reverse (1102100102221), we get a palindrome (2324110114232).

The spelling of 1222010012011 in words is "one trillion, two hundred twenty-two billion, ten million, twelve thousand, eleven".