1213220110102 has 32 divisors (see below), whose sum is σ = 2443408337664. Its totient is φ = 436322916000.

The previous prime is 1213220110087. The next prime is 1213220110103. The reversal of 1213220110102 is 2010110223121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213220110103) by changing a digit.

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, 303000024 + ... + 303004027.

It is an arithmetic number, because the mean of its divisors is an integer number (76356510552).

Almost surely, 2^{1213220110102} is an apocalyptic number.

1213220110102 is an abundant number, since it is smaller than the sum of its proper divisors (1230188227562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213220110102 is a wasteful number, since it uses less digits than its factorization.

1213220110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606004084.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1213220110102 its reverse (2010110223121), we get a palindrome (3223330333223).

It can be divided in two parts, 121 and 3220110102, that added together give a palindrome (3220110223).

The spelling of 1213220110102 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, one hundred ten thousand, one hundred two".