20211102221102 has 32 divisors (see below), whose sum is σ = 33339286468992. Its totient is φ = 9132599941344.

The previous prime is 20211102221071. The next prime is 20211102221161. The reversal of 20211102221102 is 20112220111202.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 35305748 + ... + 35873639.

It is an arithmetic number, because the mean of its divisors is an integer number (1041852702156).

Almost surely, 2^{20211102221102} is an apocalyptic number.

20211102221102 is a deficient number, since it is larger than the sum of its proper divisors (13128184247890).

20211102221102 is a wasteful number, since it uses less digits than its factorization.

20211102221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71179632.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20211102221102 its reverse (20112220111202), we get a palindrome (40323322332304).

The spelling of 20211102221102 in words is "twenty trillion, two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, one hundred two".