121404311110 has 16 divisors (see below), whose sum is σ = 220570077456. Its totient is φ = 48107876128.

The previous prime is 121404311101. The next prime is 121404311113. The reversal of 121404311110 is 11113404121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404311113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56729917 + ... + 56732056.

It is an arithmetic number, because the mean of its divisors is an integer number (13785629841).

Almost surely, 2^121404311110 is an apocalyptic number.

121404311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121404311110 is a deficient number, since it is larger than the sum of its proper divisors (99165766346).

121404311110 is a wasteful number, since it uses less digits than its factorization.

121404311110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113462087.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121404311110 its reverse (11113404121), we get a palindrome (132517715231).

The spelling of 121404311110 in words is "one hundred twenty-one billion, four hundred four million, three hundred eleven thousand, one hundred ten".