1002212221210 has 8 divisors (see below), whose sum is σ = 1803981998196. Its totient is φ = 400884888480.

The previous prime is 1002212221189. The next prime is 1002212221243. The reversal of 1002212221210 is 121222122001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1001822829921 + 389391289 = 1000911^2 + 19733^2 .

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, 50110611051 + ... + 50110611070.

Almost surely, 2^{1002212221210} is an apocalyptic number.

1002212221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002212221210 is a deficient number, since it is larger than the sum of its proper divisors (801769776986).

1002212221210 is a wasteful number, since it uses less digits than its factorization.

1002212221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100221222128.

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

Adding to 1002212221210 its reverse (121222122001), we get a palindrome (1123434343211).

It can be divided in two parts, 1002 and 212221210, that added together give a palindrome (212222212).

The spelling of 1002212221210 in words is "one trillion, two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred ten".