22221211210102 has 32 divisors (see below), whose sum is σ = 35247289190400. Its totient is φ = 10489635796800.

The previous prime is 22221211210097. The next prime is 22221211210127. The reversal of 22221211210102 is 20101211212222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221211210102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99634149 + ... + 99856927.

It is an arithmetic number, because the mean of its divisors is an integer number (1101477787200).

Almost surely, 2^{22221211210102} is an apocalyptic number.

22221211210102 is a deficient number, since it is larger than the sum of its proper divisors (13026077980298).

22221211210102 is a wasteful number, since it uses less digits than its factorization.

22221211210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262092.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221211210102 its reverse (20101211212222), we get a palindrome (42322422422324).

The spelling of 22221211210102 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, one hundred two".