33420243101 has 16 divisors (see below), whose sum is σ = 40461202944. Its totient is φ = 26947601664.

The previous prime is 33420243089. The next prime is 33420243113. The reversal of 33420243101 is 10134202433.

It is an interprime number because it is at equal distance from previous prime (33420243089) and next prime (33420243113).

It is a cyclic number.

It is not a de Polignac number, because 33420243101 - 2²² = 33416048797 is a prime.

It is a super-2 number, since 2×33420243101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420273101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177431 + ... + 313563.

It is an arithmetic number, because the mean of its divisors is an integer number (2528825184).

Almost surely, 2^33420243101 is an apocalyptic number.

It is an amenable number.

33420243101 is a deficient number, since it is larger than the sum of its proper divisors (7040959843).

33420243101 is a wasteful number, since it uses less digits than its factorization.

33420243101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138220.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33420243101 its reverse (10134202433), we get a palindrome (43554445534).

The spelling of 33420243101 in words is "thirty-three billion, four hundred twenty million, two hundred forty-three thousand, one hundred one".