1011020202112 has 16 divisors (see below), whose sum is σ = 2014141809150. Its totient is φ = 505510100992.

The previous prime is 1011020202043. The next prime is 1011020202119. The reversal of 1011020202112 is 2112020201101.

It can be written as a sum of positive squares in only one way, i.e., 1010957855296 + 62346816 = 1005464^2 + 7896^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 1011020202092 and 1011020202101.

It is not an unprimeable number, because it can be changed into a prime (1011020202119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3949297537 + ... + 3949297792.

Almost surely, 2^{1011020202112} is an apocalyptic number.

It is an amenable number.

1011020202112 is a deficient number, since it is larger than the sum of its proper divisors (1003121607038).

1011020202112 is an frugal number, since it uses more digits than its factorization.

1011020202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898595343 (or 7898595331 counting only the distinct ones).

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

Adding to 1011020202112 its reverse (2112020201101), we get a palindrome (3123040403213).

The spelling of 1011020202112 in words is "one trillion, eleven billion, twenty million, two hundred two thousand, one hundred twelve".