1220211022102 has 16 divisors (see below), whose sum is σ = 1872924844032. Its totient is φ = 595903389480.

The previous prime is 1220211022087. The next prime is 1220211022169. The reversal of 1220211022102 is 2012201120221.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346827 + ... + 4619017.

It is an arithmetic number, because the mean of its divisors is an integer number (117057802752).

Almost surely, 2^{1220211022102} is an apocalyptic number.

1220211022102 is a deficient number, since it is larger than the sum of its proper divisors (652713821930).

1220211022102 is a wasteful number, since it uses less digits than its factorization.

1220211022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324363.

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

Adding to 1220211022102 its reverse (2012201120221), we get a palindrome (3232412142323).

The spelling of 1220211022102 in words is "one trillion, two hundred twenty billion, two hundred eleven million, twenty-two thousand, one hundred two".