121001031152 has 40 divisors (see below), whose sum is σ = 234939129600. Its totient is φ = 60371730432.

The previous prime is 121001031149. The next prime is 121001031161. The reversal of 121001031152 is 251130100121.

It is a self number, because there is not a number n which added to its sum of digits gives 121001031152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16153424 + ... + 16160912.

It is an arithmetic number, because the mean of its divisors is an integer number (5873478240).

Almost surely, 2^121001031152 is an apocalyptic number.

It is an amenable number.

121001031152 is a deficient number, since it is larger than the sum of its proper divisors (113938098448).

121001031152 is a wasteful number, since it uses less digits than its factorization.

121001031152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513 (or 9507 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 121001031152 its reverse (251130100121), we get a palindrome (372131131273).

The spelling of 121001031152 in words is "one hundred twenty-one billion, one million, thirty-one thousand, one hundred fifty-two".