1220002211210 has 8 divisors (see below), whose sum is σ = 2196003980196. Its totient is φ = 488000884480.

The previous prime is 1220002211203. The next prime is 1220002211231. The reversal of 1220002211210 is 121122000221.

It can be written as a sum of positive squares in 2 ways, for example, as 1211723213089 + 8278998121 = 1100783^2 + 90989^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61000110551 + ... + 61000110570.

Almost surely, 2^{1220002211210} is an apocalyptic number.

1220002211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002211210 is a deficient number, since it is larger than the sum of its proper divisors (976001768986).

1220002211210 is a wasteful number, since it uses less digits than its factorization.

1220002211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122000221128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220002211210 its reverse (121122000221), we get a palindrome (1341124211431).

The spelling of 1220002211210 in words is "one trillion, two hundred twenty billion, two million, two hundred eleven thousand, two hundred ten".