20010110021012 has 96 divisors (see below), whose sum is σ = 36666300948480. Its totient is φ = 9543252293120.

The previous prime is 20010110020919. The next prime is 20010110021017. The reversal of 20010110021012 is 21012001101002.

It is a junction number, because it is equal to n+sod(n) for n = 20010110020984 and 20010110021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010110021017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4227783398 + ... + 4227788130.

It is an arithmetic number, because the mean of its divisors is an integer number (381940634880).

Almost surely, 2^{20010110021012} is an apocalyptic number.

It is an amenable number.

20010110021012 is a deficient number, since it is larger than the sum of its proper divisors (16656190927468).

20010110021012 is a wasteful number, since it uses less digits than its factorization.

20010110021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233 (or 6231 counting only the distinct ones).

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

Adding to 20010110021012 its reverse (21012001101002), we get a palindrome (41022111122014).

The spelling of 20010110021012 in words is "twenty trillion, ten billion, one hundred ten million, twenty-one thousand, twelve".