10121420333 has 4 divisors (see below), whose sum is σ = 10121646108. Its totient is φ = 10121194560.

The previous prime is 10121420329. The next prime is 10121420347. The reversal of 10121420333 is 33302412101.

10121420333 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33302412101 = 7 ⋅4757487443.

It can be written as a sum of positive squares in 2 ways, for example, as 6466250569 + 3655169764 = 80413^2 + 60458^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121420333 - 2² = 10121420329 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 (10121420363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20366 + ... + 143727.

It is an arithmetic number, because the mean of its divisors is an integer number (2530411527).

Almost surely, 2^10121420333 is an apocalyptic number.

It is an amenable number.

10121420333 is a deficient number, since it is larger than the sum of its proper divisors (225775).

10121420333 is an equidigital number, since it uses as much as digits as its factorization.

10121420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225774.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10121420333 its reverse (33302412101), we get a palindrome (43423832434).

The spelling of 10121420333 in words is "ten billion, one hundred twenty-one million, four hundred twenty thousand, three hundred thirty-three".