221120002100002 has 16 divisors (see below), whose sum is σ = 340412815594080. Its totient is φ = 107686145575008.

The previous prime is 221120002099991. The next prime is 221120002100027. The reversal of 221120002100002 is 200001200021122.

It is a happy 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, 9270489588 + ... + 9270513439.

It is an arithmetic number, because the mean of its divisors is an integer number (21275800974630).

Almost surely, 2^{221120002100002} is an apocalyptic number.

221120002100002 is a deficient number, since it is larger than the sum of its proper divisors (119292813494078).

221120002100002 is a wasteful number, since it uses less digits than its factorization.

221120002100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541003185.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221120002100002 its reverse (200001200021122), we get a palindrome (421121202121124).

The spelling of 221120002100002 in words is "two hundred twenty-one trillion, one hundred twenty billion, two million, one hundred thousand, two".