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121021013002 = 2238331697489
BaseRepresentation
bin111000010110101101…
…0100001110000001010
3102120101011101110000211
41300231122201300022
53440322334404002
6131332444151334
711513004431461
oct1605532416012
9376334343024
10121021013002
114736323031a
121b55583854a
13b5488a0a86
145c00ba39d8
153234937dd7
hex1c2d6a1c0a

121021013002 has 16 divisors (see below), whose sum is σ = 191706419520. Its totient is φ = 57182268352.

The previous prime is 121021012949. The next prime is 121021013017. The reversal of 121021013002 is 200310120121.

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, 15844927 + ... + 15852562.

It is an arithmetic number, because the mean of its divisors is an integer number (11981651220).

Almost surely, 2121021013002 is an apocalyptic number.

121021013002 is a deficient number, since it is larger than the sum of its proper divisors (70685406518).

121021013002 is a wasteful number, since it uses less digits than its factorization.

121021013002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31697597.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121021013002 its reverse (200310120121), we get a palindrome (321331133123).

The spelling of 121021013002 in words is "one hundred twenty-one billion, twenty-one million, thirteen thousand, two".

Divisors: 1 2 23 46 83 166 1909 3818 31697489 63394978 729042247 1458084494 2630891587 5261783174 60510506501 121021013002