42121033203 has 8 divisors (see below), whose sum is σ = 57113265600. Its totient is φ = 27604744808.

The previous prime is 42121033153. The next prime is 42121033231. The reversal of 42121033203 is 30233012124.

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

It is a cyclic number.

It is not a de Polignac number, because 42121033203 - 2¹⁸ = 42120771059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42121033203.

It is not an unprimeable number, because it can be changed into a prime (42121033243) 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, 118985793 + ... + 118986146.

It is an arithmetic number, because the mean of its divisors is an integer number (7139158200).

Almost surely, 2^42121033203 is an apocalyptic number.

42121033203 is a deficient number, since it is larger than the sum of its proper divisors (14992232397).

42121033203 is a wasteful number, since it uses less digits than its factorization.

42121033203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237972001.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 42121033203 its reverse (30233012124), we get a palindrome (72354045327).

The spelling of 42121033203 in words is "forty-two billion, one hundred twenty-one million, thirty-three thousand, two hundred three".