121002201111010 has 32 divisors (see below), whose sum is σ = 217892270804544. Its totient is φ = 48381259416000.

The previous prime is 121002201110981. The next prime is 121002201111041. The reversal of 121002201111010 is 10111102200121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317391405 + ... + 317772415.

It is an arithmetic number, because the mean of its divisors is an integer number (6809133462642).

Almost surely, 2^{121002201111010} is an apocalyptic number.

121002201111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002201111010 is a deficient number, since it is larger than the sum of its proper divisors (96890069693534).

121002201111010 is a wasteful number, since it uses less digits than its factorization.

121002201111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393810.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121002201111010 its reverse (10111102200121), we get a palindrome (131113303311131).

The spelling of 121002201111010 in words is "one hundred twenty-one trillion, two billion, two hundred one million, one hundred eleven thousand, ten".