211221001332332 has 12 divisors (see below), whose sum is σ = 372458406930456. Its totient is φ = 104804313637920.

The previous prime is 211221001332287. The next prime is 211221001332347. The reversal of 211221001332332 is 233233100122112.

It is a super-2 number, since 2×211221001332332² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201546756473 + ... + 201546757520.

It is an arithmetic number, because the mean of its divisors is an integer number (31038200577538).

Almost surely, 2^{211221001332332} is an apocalyptic number.

It is an amenable number.

211221001332332 is a deficient number, since it is larger than the sum of its proper divisors (161237405598124).

211221001332332 is a wasteful number, since it uses less digits than its factorization.

211221001332332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403093514128 (or 403093514126 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 211221001332332 its reverse (233233100122112), we get a palindrome (444454101454444).

The spelling of 211221001332332 in words is "two hundred eleven trillion, two hundred twenty-one billion, one million, three hundred thirty-two thousand, three hundred thirty-two".