1222212100102 has 64 divisors (see below), whose sum is σ = 2176901371008. Its totient is φ = 503792640000.

The previous prime is 1222212100091. The next prime is 1222212100117. The reversal of 1222212100102 is 2010012122221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13462702 + ... + 13553182.

It is an arithmetic number, because the mean of its divisors is an integer number (34014083922).

Almost surely, 2^{1222212100102} is an apocalyptic number.

1222212100102 is a deficient number, since it is larger than the sum of its proper divisors (954689270906).

1222212100102 is a wasteful number, since it uses less digits than its factorization.

1222212100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90865.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222212100102 its reverse (2010012122221), we get a palindrome (3232224222323).

The spelling of 1222212100102 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, one hundred two".