12101202121100 has 18 divisors (see below), whose sum is σ = 26259608603004. Its totient is φ = 4840480848400.

The previous prime is 12101202121097. The next prime is 12101202121103. The reversal of 12101202121100 is 112120210121.

It is an interprime number because it is at equal distance from previous prime (12101202121097) and next prime (12101202121103).

It is not an unprimeable number, because it can be changed into a prime (12101202121103) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 60506010506 + ... + 60506010705.

Almost surely, 2^{12101202121100} is an apocalyptic number.

12101202121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101202121100 is an abundant number, since it is smaller than the sum of its proper divisors (14158406481904).

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

12101202121100 is a wasteful number, since it uses less digits than its factorization.

12101202121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121012021225 (or 121012021218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101202121100 its reverse (112120210121), we get a palindrome (12213322331221).

The spelling of 12101202121100 in words is "twelve trillion, one hundred one billion, two hundred two million, one hundred twenty-one thousand, one hundred".