10101020021012 has 24 divisors (see below), whose sum is σ = 18053066123904. Its totient is φ = 4943003262912.

The previous prime is 10101020020999. The next prime is 10101020021021. The reversal of 10101020021012 is 21012002010101.

It is a junction number, because it is equal to n+sod(n) for n = 10101020020984 and 10101020021002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25125488 + ... + 25524344.

It is an arithmetic number, because the mean of its divisors is an integer number (752211088496).

Almost surely, 2^{10101020021012} is an apocalyptic number.

It is an amenable number.

10101020021012 is a deficient number, since it is larger than the sum of its proper divisors (7952046102892).

10101020021012 is a wasteful number, since it uses less digits than its factorization.

10101020021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533615 (or 533613 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101020021012 its reverse (21012002010101), we get a palindrome (31113022031113).

The spelling of 10101020021012 in words is "ten trillion, one hundred one billion, twenty million, twenty-one thousand, twelve".