1222100021102 has 16 divisors (see below), whose sum is σ = 1896741900000. Its totient is φ = 589861161120.

The previous prime is 1222100021081. The next prime is 1222100021111. The reversal of 1222100021102 is 2011200012221.

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 7 ways as a sum of consecutive naturals, for example, 1817549 + ... + 2397432.

It is an arithmetic number, because the mean of its divisors is an integer number (118546368750).

Almost surely, 2^{1222100021102} is an apocalyptic number.

1222100021102 is a deficient number, since it is larger than the sum of its proper divisors (674641878898).

1222100021102 is a wasteful number, since it uses less digits than its factorization.

1222100021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220011.

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

Adding to 1222100021102 its reverse (2011200012221), we get a palindrome (3233300033323).

The spelling of 1222100021102 in words is "one trillion, two hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred two".