1212020111102 has 16 divisors (see below), whose sum is σ = 1828590783552. Its totient is φ = 602500039680.

The previous prime is 1212020111069. The next prime is 1212020111119. The reversal of 1212020111102 is 2011110202121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309174 + ... + 2785017.

It is an arithmetic number, because the mean of its divisors is an integer number (114286923972).

Almost surely, 2^{1212020111102} is an apocalyptic number.

1212020111102 is a deficient number, since it is larger than the sum of its proper divisors (616570672450).

1212020111102 is a wasteful number, since it uses less digits than its factorization.

1212020111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094883.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212020111102 its reverse (2011110202121), we get a palindrome (3223130313223).

The spelling of 1212020111102 in words is "one trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, one hundred two".