202121033 has 8 divisors (see below), whose sum is σ = 212328000. Its totient is φ = 192032368.

The previous prime is 202120979. The next prime is 202121053. The reversal of 202121033 is 330121202.

It is a happy number.

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 202121033 - 2⁶ = 202120969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202120999 and 202121017.

It is not an unprimeable number, because it can be changed into a prime (202121053) 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, 26063 + ... + 32916.

It is an arithmetic number, because the mean of its divisors is an integer number (26541000).

Almost surely, 2^202121033 is an apocalyptic number.

202121033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202121033 is a deficient number, since it is larger than the sum of its proper divisors (10206967).

202121033 is a wasteful number, since it uses less digits than its factorization.

202121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59151.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 202121033 is about 14216.9276920156. The cubic root of 202121033 is about 586.8635950388.

Adding to 202121033 its reverse (330121202), we get a palindrome (532242235).

The spelling of 202121033 in words is "two hundred two million, one hundred twenty-one thousand, thirty-three".