1211212201102 has 8 divisors (see below), whose sum is σ = 1816844379336. Its totient is φ = 605597407992.

The previous prime is 1211212201097. The next prime is 1211212201117. The reversal of 1211212201102 is 2011022121121.

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, 4170688 + ... + 4451635.

It is an arithmetic number, because the mean of its divisors is an integer number (227105547417).

Almost surely, 2^{1211212201102} is an apocalyptic number.

1211212201102 is a deficient number, since it is larger than the sum of its proper divisors (605632178234).

1211212201102 is an equidigital number, since it uses as much as digits as its factorization.

1211212201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8692562.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1211212201102 its reverse (2011022121121), we get a palindrome (3222234322223).

The spelling of 1211212201102 in words is "one trillion, two hundred eleven billion, two hundred twelve million, two hundred one thousand, one hundred two".