12101211102 has 16 divisors (see below), whose sum is σ = 24765269760. Its totient is φ = 3939929112.

The previous prime is 12101211091. The next prime is 12101211127. The reversal of 12101211102 is 20111210121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23451702 + ... + 23452217.

It is an arithmetic number, because the mean of its divisors is an integer number (1547829360).

Almost surely, 2^12101211102 is an apocalyptic number.

12101211102 is an abundant number, since it is smaller than the sum of its proper divisors (12664058658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101211102 is a wasteful number, since it uses less digits than its factorization.

12101211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46903967.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101211102 its reverse (20111210121), we get a palindrome (32212421223).

The spelling of 12101211102 in words is "twelve billion, one hundred one million, two hundred eleven thousand, one hundred two".