121351531114 has 16 divisors (see below), whose sum is σ = 198681660576. Its totient is φ = 55130223600.

The previous prime is 121351531099. The next prime is 121351531127. The reversal of 121351531114 is 411135153121.

It is a happy number.

It is a super-2 number, since 2×121351531114² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436157 + ... + 1518304.

It is an arithmetic number, because the mean of its divisors is an integer number (12417603786).

Almost surely, 2^121351531114 is an apocalyptic number.

121351531114 is a deficient number, since it is larger than the sum of its proper divisors (77330129462).

121351531114 is a wasteful number, since it uses less digits than its factorization.

121351531114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956341.

The product of its digits is 1800, while the sum is 28.

Adding to 121351531114 its reverse (411135153121), we get a palindrome (532486684235).

The spelling of 121351531114 in words is "one hundred twenty-one billion, three hundred fifty-one million, five hundred thirty-one thousand, one hundred fourteen".