221012011102 has 16 divisors (see below), whose sum is σ = 345955221792. Its totient is φ = 105694253280.

The previous prime is 221012011097. The next prime is 221012011123. The reversal of 221012011102 is 201110210122.

221012011102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560308 + ... + 869464.

It is an arithmetic number, because the mean of its divisors is an integer number (21622201362).

Almost surely, 2^221012011102 is an apocalyptic number.

221012011102 is a deficient number, since it is larger than the sum of its proper divisors (124943210690).

221012011102 is a wasteful number, since it uses less digits than its factorization.

221012011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324723.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221012011102 its reverse (201110210122), we get a palindrome (422122221224).

It can be divided in two parts, 2210120 and 11102, that added together give a palindrome (2221222).

The spelling of 221012011102 in words is "two hundred twenty-one billion, twelve million, eleven thousand, one hundred two".