121002311110 has 32 divisors (see below), whose sum is σ = 232029826560. Its totient is φ = 45301049568.

The previous prime is 121002311107. The next prime is 121002311117. The reversal of 121002311110 is 11113200121.

It is a happy number.

It is a super-2 number, since 2×121002311110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002311117) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3820702 + ... + 3852241.

It is an arithmetic number, because the mean of its divisors is an integer number (7250932080).

Almost surely, 2^121002311110 is an apocalyptic number.

121002311110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002311110 is a deficient number, since it is larger than the sum of its proper divisors (111027515450).

121002311110 is a wasteful number, since it uses less digits than its factorization.

121002311110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673052.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121002311110 its reverse (11113200121), we get a palindrome (132115511231).

The spelling of 121002311110 in words is "one hundred twenty-one billion, two million, three hundred eleven thousand, one hundred ten".