32121100222 has 4 divisors (see below), whose sum is σ = 48181650336. Its totient is φ = 16060550110.

The previous prime is 32121100189. The next prime is 32121100241. The reversal of 32121100222 is 22200112123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22200112123 = 7 ⋅3171444589.

It is a junction number, because it is equal to n+sod(n) for n = 32121100196 and 32121100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030275054 + ... + 8030275057.

It is an arithmetic number, because the mean of its divisors is an integer number (12045412584).

Almost surely, 2^32121100222 is an apocalyptic number.

32121100222 is a deficient number, since it is larger than the sum of its proper divisors (16060550114).

32121100222 is a wasteful number, since it uses less digits than its factorization.

32121100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060550113.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32121100222 its reverse (22200112123), we get a palindrome (54321212345).

The spelling of 32121100222 in words is "thirty-two billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-two".