201111220012 has 12 divisors (see below), whose sum is σ = 351954390816. Its totient is φ = 100552822640.

The previous prime is 201111219983. The next prime is 201111220129. The reversal of 201111220012 is 210022111102.

It is a junction number, because it is equal to n+sod(n) for n = 201111219974 and 201111220001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530068 + ... + 826555.

It is an arithmetic number, because the mean of its divisors is an integer number (29329532568).

Almost surely, 2^201111220012 is an apocalyptic number.

It is an amenable number.

201111220012 is a deficient number, since it is larger than the sum of its proper divisors (150843170804).

201111220012 is a wasteful number, since it uses less digits than its factorization.

201111220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393688 (or 1393686 counting only the distinct ones).

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

Adding to 201111220012 its reverse (210022111102), we get a palindrome (411133331114).

The spelling of 201111220012 in words is "two hundred one billion, one hundred eleven million, two hundred twenty thousand, twelve".