101210000020101 has 16 divisors (see below), whose sum is σ = 171360846595200. Its totient is φ = 57834285725664.

The previous prime is 101210000020021. The next prime is 101210000020127. The reversal of 101210000020101 is 101020000012101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-101210000020101 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 (101210000020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267751322616 + ... + 267751322993.

It is an arithmetic number, because the mean of its divisors is an integer number (10710052912200).

Almost surely, 2^{101210000020101} is an apocalyptic number.

It is an amenable number.

101210000020101 is a deficient number, since it is larger than the sum of its proper divisors (70150846575099).

101210000020101 is an equidigital number, since it uses as much as digits as its factorization.

101210000020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535502645625 (or 535502645619 counting only the distinct ones).

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

Adding to 101210000020101 its reverse (101020000012101), we get a palindrome (202230000032202).

The spelling of 101210000020101 in words is "one hundred one trillion, two hundred ten billion, twenty thousand, one hundred one".