101221010103 has 8 divisors (see below), whose sum is σ = 135268777600. Its totient is φ = 67326958008.

The previous prime is 101221010101. The next prime is 101221010113. The reversal of 101221010103 is 301010122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101221010103 - 2¹ = 101221010101 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 (101221010101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38427313 + ... + 38429946.

It is an arithmetic number, because the mean of its divisors is an integer number (16908597200).

Almost surely, 2^101221010103 is an apocalyptic number.

101221010103 is a deficient number, since it is larger than the sum of its proper divisors (34047767497).

101221010103 is an equidigital number, since it uses as much as digits as its factorization.

101221010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76857701.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101221010103 its reverse (301010122101), we get a palindrome (402231132204).

The spelling of 101221010103 in words is "one hundred one billion, two hundred twenty-one million, ten thousand, one hundred three".