20101102011112 has 32 divisors (see below), whose sum is σ = 37720184037120. Its totient is φ = 10042387168320.

The previous prime is 20101102011073. The next prime is 20101102011187. The reversal of 20101102011112 is 21111020110102.

It is a happy number.

It is a super-2 number, since 2×20101102011112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101102011092 and 20101102011101.

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 in 7 ways as a sum of consecutive naturals, for example, 222689173 + ... + 222779419.

It is an arithmetic number, because the mean of its divisors is an integer number (1178755751160).

Almost surely, 2^{20101102011112} is an apocalyptic number.

It is an amenable number.

20101102011112 is a deficient number, since it is larger than the sum of its proper divisors (17619082026008).

20101102011112 is a wasteful number, since it uses less digits than its factorization.

20101102011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112561 (or 112557 counting only the distinct ones).

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

Adding to 20101102011112 its reverse (21111020110102), we get a palindrome (41212122121214).

The spelling of 20101102011112 in words is "twenty trillion, one hundred one billion, one hundred two million, eleven thousand, one hundred twelve".