201101022112 has 12 divisors (see below), whose sum is σ = 395917637346. Its totient is φ = 100550511040.

The previous prime is 201101022107. The next prime is 201101022127. The reversal of 201101022112 is 211220101102.

It can be written as a sum of positive squares in only one way, i.e., 102633092496 + 98467929616 = 320364^2 + 313796^2 .

It is a super-2 number, since 2×201101022112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201101022092 and 201101022101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3142203439 + ... + 3142203502.

Almost surely, 2^201101022112 is an apocalyptic number.

It is an amenable number.

201101022112 is a deficient number, since it is larger than the sum of its proper divisors (194816615234).

201101022112 is an equidigital number, since it uses as much as digits as its factorization.

201101022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284406951 (or 6284406943 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201101022112 its reverse (211220101102), we get a palindrome (412321123214).

The spelling of 201101022112 in words is "two hundred one billion, one hundred one million, twenty-two thousand, one hundred twelve".