121111330010 has 16 divisors (see below), whose sum is σ = 237818611872. Its totient is φ = 44040483600.

The previous prime is 121111329973. The next prime is 121111330103. The reversal of 121111330010 is 10033111121.

It is a happy number.

It is a super-2 number, since 2×121111330010² (a number of 23 digits) contains 22 as substring.

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, 550505936 + ... + 550506155.

It is an arithmetic number, because the mean of its divisors is an integer number (14863663242).

Almost surely, 2^121111330010 is an apocalyptic number.

121111330010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111330010 is a deficient number, since it is larger than the sum of its proper divisors (116707281862).

121111330010 is a wasteful number, since it uses less digits than its factorization.

121111330010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101012109.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 121111330010 its reverse (10033111121), we get a palindrome (131144441131).

The spelling of 121111330010 in words is "one hundred twenty-one billion, one hundred eleven million, three hundred thirty thousand, ten".