1021101220112 has 10 divisors (see below), whose sum is σ = 1978383613998. Its totient is φ = 510550610048.

The previous prime is 1021101220103. The next prime is 1021101220123. The reversal of 1021101220112 is 2110221011201.

It can be written as a sum of positive squares in only one way, i.e., 704766966016 + 316334254096 = 839504^2 + 562436^2 .

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, 31909413113 + ... + 31909413144.

Almost surely, 2^{1021101220112} is an apocalyptic number.

It is an amenable number.

1021101220112 is a deficient number, since it is larger than the sum of its proper divisors (957282393886).

1021101220112 is an equidigital number, since it uses as much as digits as its factorization.

1021101220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63818826265 (or 63818826259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021101220112 its reverse (2110221011201), we get a palindrome (3131322231313).

The spelling of 1021101220112 in words is "one trillion, twenty-one billion, one hundred one million, two hundred twenty thousand, one hundred twelve".