1101012222112 has 48 divisors (see below), whose sum is σ = 2364932100384. Its totient is φ = 500405472000.

The previous prime is 1101012222031. The next prime is 1101012222113. The reversal of 1101012222112 is 2112222101011.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1101012222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3150187 + ... + 3482197.

It is an arithmetic number, because the mean of its divisors is an integer number (49269418758).

Almost surely, 2^{1101012222112} is an apocalyptic number.

It is an amenable number.

1101012222112 is an abundant number, since it is smaller than the sum of its proper divisors (1263919878272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101012222112 is a wasteful number, since it uses less digits than its factorization.

1101012222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341453 (or 341445 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101012222112 its reverse (2112222101011), we get a palindrome (3213234323123).

The spelling of 1101012222112 in words is "one trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, one hundred twelve".