221210120001002 has 16 divisors (see below), whose sum is σ = 362278613718432. Its totient is φ = 100467160836720.

The previous prime is 221210120000813. The next prime is 221210120001007. The reversal of 221210120001002 is 200100021012122.

It is not an unprimeable number, because it can be changed into a prime (221210120001007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144658168 + ... + 4144711539.

It is an arithmetic number, because the mean of its divisors is an integer number (22642413357402).

Almost surely, 2^{221210120001002} is an apocalyptic number.

221210120001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221210120001002 is a deficient number, since it is larger than the sum of its proper divisors (141068493717430).

221210120001002 is a wasteful number, since it uses less digits than its factorization.

221210120001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289370933.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221210120001002 its reverse (200100021012122), we get a palindrome (421310141013124).

The spelling of 221210120001002 in words is "two hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, one thousand, two".