1102121220102 has 48 divisors (see below), whose sum is σ = 2714949284400. Its totient is φ = 296368730112.

The previous prime is 1102121220097. The next prime is 1102121220121. The reversal of 1102121220102 is 2010221212011.

It is a super-2 number, since 2×1102121220102² (a number of 25 digits) contains 22 as substring.

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, 110251227 + ... + 110261222.

It is an arithmetic number, because the mean of its divisors is an integer number (56561443425).

Almost surely, 2^{1102121220102} is an apocalyptic number.

1102121220102 is an abundant number, since it is smaller than the sum of its proper divisors (1612828064298).

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

1102121220102 is a wasteful number, since it uses less digits than its factorization.

1102121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220512485 (or 220512478 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102121220102 its reverse (2010221212011), we get a palindrome (3112342432113).

The spelling of 1102121220102 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".