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121031303011 = 3110736488183
BaseRepresentation
bin111000010111000000…
…1110001111101100011
3102120101212202020021021
41300232001301331203
53440333003144021
6131333452510311
711513161046503
oct1605601617543
9376355666237
10121031303011
1147369019363
121b55917b397
13b54aa64638
145c022c1a03
1532357bbc41
hex1c2e071f63

121031303011 has 8 divisors (see below), whose sum is σ = 126103163904. Its totient is φ = 116032418760.

The previous prime is 121031302999. The next prime is 121031303059. The reversal of 121031303011 is 110303130121.

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 121031303011 - 221 = 121029205859 is a prime.

It is a super-2 number, since 2×1210313030112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121031303411) 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, 18240775 + ... + 18247408.

It is an arithmetic number, because the mean of its divisors is an integer number (15762895488).

Almost surely, 2121031303011 is an apocalyptic number.

121031303011 is a deficient number, since it is larger than the sum of its proper divisors (5071860893).

121031303011 is a wasteful number, since it uses less digits than its factorization.

121031303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36488321.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121031303011 its reverse (110303130121), we get a palindrome (231334433132).

The spelling of 121031303011 in words is "one hundred twenty-one billion, thirty-one million, three hundred three thousand, eleven".

Divisors: 1 31 107 3317 36488183 1131133673 3904235581 121031303011