32001121122222 has 32 divisors (see below), whose sum is σ = 74237142396672. Its totient is φ = 9006712127424.

The previous prime is 32001121122211. The next prime is 32001121122239. The reversal of 32001121122222 is 22222112110023.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5686052823 + ... + 5686058450.

It is an arithmetic number, because the mean of its divisors is an integer number (2319910699896).

Almost surely, 2^{32001121122222} is an apocalyptic number.

32001121122222 is an abundant number, since it is smaller than the sum of its proper divisors (42236021274450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32001121122222 is a wasteful number, since it uses less digits than its factorization.

32001121122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372111352.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 32001121122222 its reverse (22222112110023), we get a palindrome (54223233232245).

The spelling of 32001121122222 in words is "thirty-two trillion, one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".