10101112100020 has 24 divisors (see below), whose sum is σ = 21214854146304. Its totient is φ = 4039965080736.

The previous prime is 10101112099963. The next prime is 10101112100059. The reversal of 10101112100020 is 2000121110101.

It is a super-3 number, since 3×10101112100020³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 29812284 + ... + 30149203.

It is an arithmetic number, because the mean of its divisors is an integer number (883952256096).

Almost surely, 2^{10101112100020} is an apocalyptic number.

10101112100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101112100020 is an abundant number, since it is smaller than the sum of its proper divisors (11113742046284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101112100020 is a wasteful number, since it uses less digits than its factorization.

10101112100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59969919 (or 59969917 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101112100020 its reverse (2000121110101), we get a palindrome (12101233210121).

The spelling of 10101112100020 in words is "ten trillion, one hundred one billion, one hundred twelve million, one hundred thousand, twenty".