111122122002212 has 6 divisors (see below), whose sum is σ = 194463713503878. Its totient is φ = 55561061001104.

The previous prime is 111122122002211. The next prime is 111122122002217. The reversal of 111122122002212 is 212200221221111.

It can be written as a sum of positive squares in only one way, i.e., 90368484862756 + 20753637139456 = 9506234^2 + 4555616^2 .

It is not an unprimeable number, because it can be changed into a prime (111122122002211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13890265250273 + ... + 13890265250280.

It is an arithmetic number, because the mean of its divisors is an integer number (32410618917313).

Almost surely, 2^{111122122002212} is an apocalyptic number.

It is an amenable number.

111122122002212 is a deficient number, since it is larger than the sum of its proper divisors (83341591501666).

111122122002212 is a wasteful number, since it uses less digits than its factorization.

111122122002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780530500557 (or 27780530500555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111122122002212 its reverse (212200221221111), we get a palindrome (323322343223323).

The spelling of 111122122002212 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, two thousand, two hundred twelve".