1122111000212 has 6 divisors (see below), whose sum is σ = 1963694250378. Its totient is φ = 561055500104.

The previous prime is 1122111000181. The next prime is 1122111000217. The reversal of 1122111000212 is 2120001112211.

It can be written as a sum of positive squares in only one way, i.e., 1091347944976 + 30763055236 = 1044676^2 + 175394^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122111000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140263875023 + ... + 140263875030.

It is an arithmetic number, because the mean of its divisors is an integer number (327282375063).

Almost surely, 2^{1122111000212} is an apocalyptic number.

It is an amenable number.

1122111000212 is a deficient number, since it is larger than the sum of its proper divisors (841583250166).

1122111000212 is a wasteful number, since it uses less digits than its factorization.

1122111000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280527750057 (or 280527750055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122111000212 its reverse (2120001112211), we get a palindrome (3242112112423).

The spelling of 1122111000212 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twelve", and thus it is an aban number.