101121120103 has 4 divisors (see below), whose sum is σ = 103587488928. Its totient is φ = 98654751280.

The previous prime is 101121120101. The next prime is 101121120131. The reversal of 101121120103 is 301021121101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101121120103 - 2¹ = 101121120101 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 (101121120101) 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, 1233184351 + ... + 1233184432.

It is an arithmetic number, because the mean of its divisors is an integer number (25896872232).

Almost surely, 2^101121120103 is an apocalyptic number.

101121120103 is a deficient number, since it is larger than the sum of its proper divisors (2466368825).

101121120103 is an equidigital number, since it uses as much as digits as its factorization.

101121120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466368824.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101121120103 its reverse (301021121101), we get a palindrome (402142241204).

The spelling of 101121120103 in words is "one hundred one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred three".