20101101121012 has 12 divisors (see below), whose sum is σ = 35177091114340. Its totient is φ = 10050503659776.

The previous prime is 20101101120967. The next prime is 20101101121021. The reversal of 20101101121012 is 21012110110102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18947616528996 + 1153484592016 = 4352886^2 + 1074004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20101101120983 and 20101101121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10751883 + ... + 12482194.

Almost surely, 2^{20101101121012} is an apocalyptic number.

It is an amenable number.

20101101121012 is a deficient number, since it is larger than the sum of its proper divisors (15075989993328).

20101101121012 is a wasteful number, since it uses less digits than its factorization.

20101101121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23450370 (or 23450368 counting only the distinct ones).

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

Adding to 20101101121012 its reverse (21012110110102), we get a palindrome (41113211231114).

The spelling of 20101101121012 in words is "twenty trillion, one hundred one billion, one hundred one million, one hundred twenty-one thousand, twelve".