101000020012101 has 12 divisors (see below), whose sum is σ = 166730191766112. Its totient is φ = 57714297149736.

The previous prime is 101000020012063. The next prime is 101000020012109. The reversal of 101000020012101 is 101210020000101.

It is a happy number.

It is not a de Polignac number, because 101000020012101 - 2⁶ = 101000020012037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000020012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801587460351 + ... + 801587460476.

It is an arithmetic number, because the mean of its divisors is an integer number (13894182647176).

Almost surely, 2^{101000020012101} is an apocalyptic number.

It is an amenable number.

101000020012101 is a deficient number, since it is larger than the sum of its proper divisors (65730171754011).

101000020012101 is a wasteful number, since it uses less digits than its factorization.

101000020012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603174920840 (or 1603174920837 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101000020012101 its reverse (101210020000101), we get a palindrome (202210040012202).

The spelling of 101000020012101 in words is "one hundred one trillion, twenty million, twelve thousand, one hundred one".