1222121020102 has 8 divisors (see below), whose sum is σ = 1833224612976. Its totient is φ = 611046149112.

The previous prime is 1222121020061. The next prime is 1222121020187. The reversal of 1222121020102 is 2010201212221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 7073778 + ... + 7244485.

It is an arithmetic number, because the mean of its divisors is an integer number (229153076622).

Almost surely, 2^{1222121020102} is an apocalyptic number.

1222121020102 is a deficient number, since it is larger than the sum of its proper divisors (611103592874).

1222121020102 is a wasteful number, since it uses less digits than its factorization.

1222121020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360942.

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

Adding to 1222121020102 its reverse (2010201212221), we get a palindrome (3232322232323).

The spelling of 1222121020102 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty thousand, one hundred two".