103140202021 has 4 divisors (see below), whose sum is σ = 106467305344. Its totient is φ = 99813098700.

The previous prime is 103140201973. The next prime is 103140202069. The reversal of 103140202021 is 120202041301.

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 an interprime number because it is at equal distance from previous prime (103140201973) and next prime (103140202069).

It is a cyclic number.

It is not a de Polignac number, because 103140202021 - 2¹¹ = 103140199973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103140201986 and 103140202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140262021) 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, 1663551615 + ... + 1663551676.

It is an arithmetic number, because the mean of its divisors is an integer number (26616826336).

Almost surely, 2^103140202021 is an apocalyptic number.

It is an amenable number.

103140202021 is a deficient number, since it is larger than the sum of its proper divisors (3327103323).

103140202021 is an equidigital number, since it uses as much as digits as its factorization.

103140202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327103322.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 103140202021 its reverse (120202041301), we get a palindrome (223342243322).

The spelling of 103140202021 in words is "one hundred three billion, one hundred forty million, two hundred two thousand, twenty-one".