121136018116 has 27 divisors (see below), whose sum is σ = 214232040813. Its totient is φ = 59933521200.

The previous prime is 121136018099. The next prime is 121136018141. The reversal of 121136018116 is 611810631121.

The square root of 121136018116 is 348046.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 116386051716 + 4749966400 = 341154^2 + 68920^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70304431 + ... + 70306153.

Almost surely, 2^121136018116 is an apocalyptic number.

121136018116 is the 348046-th square number.

It is an amenable number.

121136018116 is a deficient number, since it is larger than the sum of its proper divisors (93096022697).

121136018116 is an frugal number, since it uses more digits than its factorization.

121136018116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

Adding to 121136018116 its reverse (611810631121), we get a palindrome (732946649237).

The spelling of 121136018116 in words is "one hundred twenty-one billion, one hundred thirty-six million, eighteen thousand, one hundred sixteen".