221211201002 has 16 divisors (see below), whose sum is σ = 362136808800. Its totient is φ = 100507533840.

The previous prime is 221211200999. The next prime is 221211201059. The reversal of 221211201002 is 200102112122.

221211201002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097977 + ... + 2200892.

It is an arithmetic number, because the mean of its divisors is an integer number (22633550550).

Almost surely, 2^221211201002 is an apocalyptic number.

221211201002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221211201002 is a deficient number, since it is larger than the sum of its proper divisors (140925607798).

221211201002 is a wasteful number, since it uses less digits than its factorization.

221211201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301221.

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

Adding to 221211201002 its reverse (200102112122), we get a palindrome (421313313124).

It can be divided in two parts, 22121120 and 1002, that added together give a palindrome (22122122).

The spelling of 221211201002 in words is "two hundred twenty-one billion, two hundred eleven million, two hundred one thousand, two".