121100101000010 has 128 divisors (see below), whose sum is σ = 242943548037120. Its totient is φ = 43092095904000.

The previous prime is 121100101000001. The next prime is 121100101000019. The reversal of 121100101000010 is 10000101001121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121100101000001) and next prime (121100101000019).

It is not an unprimeable number, because it can be changed into a prime (121100101000019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5728742021 + ... + 5728763159.

It is an arithmetic number, because the mean of its divisors is an integer number (1897996469040).

Almost surely, 2^{121100101000010} is an apocalyptic number.

121100101000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100101000010 is an abundant number, since it is smaller than the sum of its proper divisors (121843447037110).

121100101000010 is a wasteful number, since it uses less digits than its factorization.

121100101000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 121100101000010 its reverse (10000101001121), we get a palindrome (131100202001131).

The spelling of 121100101000010 in words is "one hundred twenty-one trillion, one hundred billion, one hundred one million, ten", and thus it is an aban number.