202021103121233 has 12 divisors (see below), whose sum is σ = 234113162601552. Its totient is φ = 172852280742720.

The previous prime is 202021103121181. The next prime is 202021103121311. The reversal of 202021103121233 is 332121301120202.

It is not a de Polignac number, because 202021103121233 - 2¹⁸ = 202021102859089 is a prime.

It is a super-2 number, since 2×202021103121233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202021103121199 and 202021103121208.

It is not an unprimeable number, because it can be changed into a prime (202021103121133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31774313135 + ... + 31774319492.

It is an arithmetic number, because the mean of its divisors is an integer number (19509430216796).

Almost surely, 2^{202021103121233} is an apocalyptic number.

It is an amenable number.

202021103121233 is a deficient number, since it is larger than the sum of its proper divisors (32092059480319).

202021103121233 is a wasteful number, since it uses less digits than its factorization.

202021103121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63548632672 (or 63548632655 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 202021103121233 its reverse (332121301120202), we get a palindrome (534142404241435).

The spelling of 202021103121233 in words is "two hundred two trillion, twenty-one billion, one hundred three million, one hundred twenty-one thousand, two hundred thirty-three".