1210221212102 has 8 divisors (see below), whose sum is σ = 2074664935056. Its totient is φ = 518666233752.

The previous prime is 1210221212063. The next prime is 1210221212117. The reversal of 1210221212102 is 2012121220121.

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

It is a congruent number.

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, 43222186133 + ... + 43222186160.

It is an arithmetic number, because the mean of its divisors is an integer number (259333116882).

Almost surely, 2^{1210221212102} is an apocalyptic number.

1210221212102 is a deficient number, since it is larger than the sum of its proper divisors (864443722954).

1210221212102 is an equidigital number, since it uses as much as digits as its factorization.

1210221212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86444372302.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1210221212102 its reverse (2012121220121), we get a palindrome (3222342432223).

The spelling of 1210221212102 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".