1220202202102 has 8 divisors (see below), whose sum is σ = 1971095864976. Its totient is φ = 563170247112.

The previous prime is 1220202202061. The next prime is 1220202202103. The reversal of 1220202202102 is 2012022020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220202202103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23465426938 + ... + 23465426989.

It is an arithmetic number, because the mean of its divisors is an integer number (246386983122).

Almost surely, 2^{1220202202102} is an apocalyptic number.

1220202202102 is a deficient number, since it is larger than the sum of its proper divisors (750893662874).

1220202202102 is a wasteful number, since it uses less digits than its factorization.

1220202202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46930853942.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220202202102 its reverse (2012022020221), we get a palindrome (3232224222323).

The spelling of 1220202202102 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred two thousand, one hundred two".