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121011121002011 = 1017897091517179
BaseRepresentation
bin11011100000111100011000…
…111000011001011000011011
3120212110112212002022220012212
4123200330120320121120123
5111330121233434031021
61105211424101025335
734326523246662452
oct3340743070313033
9525415762286185
10121011121002011
113561558a063559
12116a49236b524b
13526a3b8707b76
1421c4d80483b99
15decb9c3ad85b
hex6e0f18e1961b

121011121002011 has 8 divisors (see below), whose sum is σ = 122209486215600. Its totient is φ = 119812760402400.

The previous prime is 121011121001977. The next prime is 121011121002019. The reversal of 121011121002011 is 110200121110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121011121002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011121002019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79002020 + ... + 80519198.

It is an arithmetic number, because the mean of its divisors is an integer number (15276185776950).

Almost surely, 2121011121002011 is an apocalyptic number.

121011121002011 is a deficient number, since it is larger than the sum of its proper divisors (1198365213589).

121011121002011 is a wasteful number, since it uses less digits than its factorization.

121011121002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306989.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121011121002011 its reverse (110200121110121), we get a palindrome (231211242112132).

The spelling of 121011121002011 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-one million, two thousand, eleven".

Divisors: 1 101 789709 1517179 79760609 153235079 1198129910911 121011121002011