121201000100110 has 32 divisors (see below), whose sum is σ = 249393924411840. Its totient is φ = 41543603142912.

The previous prime is 121201000100099. The next prime is 121201000100113. The reversal of 121201000100110 is 11001000102121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201000100113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229431429 + ... + 229959088.

It is an arithmetic number, because the mean of its divisors is an integer number (7793560137870).

Almost surely, 2^{121201000100110} is an apocalyptic number.

121201000100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201000100110 is an abundant number, since it is smaller than the sum of its proper divisors (128192924311730).

121201000100110 is a wasteful number, since it uses less digits than its factorization.

121201000100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459394300.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121201000100110 its reverse (11001000102121), we get a palindrome (132202000202231).

The spelling of 121201000100110 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred thousand, one hundred ten".