203022042420101 has 4 divisors (see below), whose sum is σ = 203022071821932. Its totient is φ = 203022013018272.

The previous prime is 203022042420083. The next prime is 203022042420107. The reversal of 203022042420101 is 101024240220302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20644310047201 + 182377732372900 = 4543601^2 + 13504730^2 .

It is a cyclic number.

It is not a de Polignac number, because 203022042420101 - 2⁶ = 203022042420037 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 (203022042420107) 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, 1922435 + ... + 20242031.

It is an arithmetic number, because the mean of its divisors is an integer number (50755517955483).

Almost surely, 2^{203022042420101} is an apocalyptic number.

It is an amenable number.

203022042420101 is a deficient number, since it is larger than the sum of its proper divisors (29401831).

203022042420101 is a wasteful number, since it uses less digits than its factorization.

203022042420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29401830.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 203022042420101 its reverse (101024240220302), we get a palindrome (304046282640403).

The spelling of 203022042420101 in words is "two hundred three trillion, twenty-two billion, forty-two million, four hundred twenty thousand, one hundred one".