101012221100101 has 4 divisors (see below), whose sum is σ = 106328653789600. Its totient is φ = 95695788410604.

The previous prime is 101012221100099. The next prime is 101012221100107. The reversal of 101012221100101 is 101001122210101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101012221100101 - 2¹ = 101012221100099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012221100107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658216344721 + ... + 2658216344758.

It is an arithmetic number, because the mean of its divisors is an integer number (26582163447400).

Almost surely, 2^{101012221100101} is an apocalyptic number.

It is an amenable number.

101012221100101 is a deficient number, since it is larger than the sum of its proper divisors (5316432689499).

101012221100101 is an equidigital number, since it uses as much as digits as its factorization.

101012221100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316432689498.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101012221100101 its reverse (101001122210101), we get a palindrome (202013343310202).

The spelling of 101012221100101 in words is "one hundred one trillion, twelve billion, two hundred twenty-one million, one hundred thousand, one hundred one".