121005061001 has 8 divisors (see below), whose sum is σ = 132096765504. Its totient is φ = 109928563920.

The previous prime is 121005060997. The next prime is 121005061013. The reversal of 121005061001 is 100160500121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121005061001 - 2² = 121005060997 is a prime.

It is a super-2 number, since 2×121005061001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121005061081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3785210 + ... + 3817043.

It is an arithmetic number, because the mean of its divisors is an integer number (16512095688).

Almost surely, 2^121005061001 is an apocalyptic number.

121005061001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121005061001 is a deficient number, since it is larger than the sum of its proper divisors (11091704503).

121005061001 is a wasteful number, since it uses less digits than its factorization.

121005061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603711.

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

Adding to 121005061001 its reverse (100160500121), we get a palindrome (221165561122).

The spelling of 121005061001 in words is "one hundred twenty-one billion, five million, sixty-one thousand, one".