121036164150 has 96 divisors (see below), whose sum is σ = 329419415808. Its totient is φ = 29166332800.

The previous prime is 121036164149. The next prime is 121036164181. The reversal of 121036164150 is 51461630121.

It is a happy number.

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

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 55924 + ... + 495176.

It is an arithmetic number, because the mean of its divisors is an integer number (3431452248).

Almost surely, 2^121036164150 is an apocalyptic number.

121036164150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121036164150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164709707904).

121036164150 is an abundant number, since it is smaller than the sum of its proper divisors (208383251658).

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

121036164150 is a wasteful number, since it uses less digits than its factorization.

121036164150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439446 (or 439441 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 121036164150 its reverse (51461630121), we get a palindrome (172497794271).

The spelling of 121036164150 in words is "one hundred twenty-one billion, thirty-six million, one hundred sixty-four thousand, one hundred fifty".