1012120111102 has 16 divisors (see below), whose sum is σ = 1571061873024. Its totient is φ = 488514240000.

The previous prime is 1012120111097. The next prime is 1012120111111. The reversal of 1012120111102 is 2011110212101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20329899 + ... + 20379622.

It is an arithmetic number, because the mean of its divisors is an integer number (98191367064).

Almost surely, 2^{1012120111102} is an apocalyptic number.

1012120111102 is a deficient number, since it is larger than the sum of its proper divisors (558941761922).

1012120111102 is a wasteful number, since it uses less digits than its factorization.

1012120111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40709955.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012120111102 its reverse (2011110212101), we get a palindrome (3023230323203).

The spelling of 1012120111102 in words is "one trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, one hundred two".