22203032121 has 16 divisors (see below), whose sum is σ = 34828286400. Its totient is φ = 13931313984.

The previous prime is 22203032107. The next prime is 22203032143. The reversal of 22203032121 is 12123030222.

It is not a de Polignac number, because 22203032121 - 2²¹ = 22200934969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22203032094 and 22203032103.

It is not an unprimeable number, because it can be changed into a prime (22203031121) 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, 24185851 + ... + 24186768.

It is an arithmetic number, because the mean of its divisors is an integer number (2176767900).

Almost surely, 2^22203032121 is an apocalyptic number.

It is an amenable number.

22203032121 is a deficient number, since it is larger than the sum of its proper divisors (12625254279).

22203032121 is a wasteful number, since it uses less digits than its factorization.

22203032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48372645 (or 48372639 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22203032121 its reverse (12123030222), we get a palindrome (34326062343).

The spelling of 22203032121 in words is "twenty-two billion, two hundred three million, thirty-two thousand, one hundred twenty-one".