1220102002102 has 48 divisors (see below), whose sum is σ = 1982610876528. Its totient is φ = 561184632320.

The previous prime is 1220102002087. The next prime is 1220102002121. The reversal of 1220102002102 is 2012002010221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57144993 + ... + 57166339.

It is an arithmetic number, because the mean of its divisors is an integer number (41304393261).

Almost surely, 2^{1220102002102} is an apocalyptic number.

1220102002102 is a deficient number, since it is larger than the sum of its proper divisors (762508874426).

1220102002102 is a wasteful number, since it uses less digits than its factorization.

1220102002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22221 (or 22174 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220102002102 its reverse (2012002010221), we get a palindrome (3232104012323).

The spelling of 1220102002102 in words is "one trillion, two hundred twenty billion, one hundred two million, two thousand, one hundred two".