1122112102011 has 32 divisors (see below), whose sum is σ = 1597938001920. Its totient is φ = 698861587200.

The previous prime is 1122112101991. The next prime is 1122112102039. The reversal of 1122112102011 is 1102012112211.

It is a happy number.

It is not a de Polignac number, because 1122112102011 - 2⁷ = 1122112101883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122112102051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17555236 + ... + 17619038.

It is an arithmetic number, because the mean of its divisors is an integer number (49935562560).

Almost surely, 2^{1122112102011} is an apocalyptic number.

1122112102011 is a deficient number, since it is larger than the sum of its proper divisors (475825899909).

1122112102011 is a wasteful number, since it uses less digits than its factorization.

1122112102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70387.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1122112102011 its reverse (1102012112211), we get a palindrome (2224124214222).

The spelling of 1122112102011 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, eleven".