91141211214120 has 256 divisors, whose sum is σ = 282050046915840. Its totient is φ = 23543526555648.

The previous prime is 91141211214077. The next prime is 91141211214167. The reversal of 91141211214120 is 2141211214119.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1007741542 + ... + 1007831978.

It is an arithmetic number, because the mean of its divisors is an integer number (1101757995765).

Almost surely, 2^{91141211214120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91141211214120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141025023457920).

91141211214120 is an abundant number, since it is smaller than the sum of its proper divisors (190908835701720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91141211214120 is a wasteful number, since it uses less digits than its factorization.

91141211214120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91484 (or 91480 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 91141211214120 its reverse (2141211214119), we get a palindrome (93282422428239).

The spelling of 91141211214120 in words is "ninety-one trillion, one hundred forty-one billion, two hundred eleven million, two hundred fourteen thousand, one hundred twenty".