122101011112 has 16 divisors (see below), whose sum is σ = 228950516340. Its totient is φ = 61047540096.

The previous prime is 122101011061. The next prime is 122101011113. The reversal of 122101011112 is 211110101221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83131882276 + 38969128836 = 288326^2 + 197406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122101011092 and 122101011101.

It is not an unprimeable number, because it can be changed into a prime (122101011113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190543 + ... + 529630.

Almost surely, 2^122101011112 is an apocalyptic number.

It is an amenable number.

122101011112 is a deficient number, since it is larger than the sum of its proper divisors (106849505228).

122101011112 is a wasteful number, since it uses less digits than its factorization.

122101011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741372 (or 741368 counting only the distinct ones).

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

Adding to 122101011112 its reverse (211110101221), we get a palindrome (333211112333).

The spelling of 122101011112 in words is "one hundred twenty-two billion, one hundred one million, eleven thousand, one hundred twelve".