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121210102221011 = 3073583111018983
BaseRepresentation
bin11011100011110101101101…
…000101100000100011010011
3120220011120110102121010220122
4123203311231011200203103
5111341401242132033021
61105443052515100455
734350066220304456
oct3343655505404323
9526146412533818
10121210102221011
1135691a08843491
12117173b5ba172b
1352830a994253b
1421d085912949d
15e02e46191bab
hex6e3d6d1608d3

121210102221011 has 8 divisors (see below), whose sum is σ = 121608328283904. Its totient is φ = 120811898268360.

The previous prime is 121210102220953. The next prime is 121210102221031. The reversal of 121210102221011 is 110122201012121.

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 121210102221011 - 242 = 116812055709907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121210102221031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490626 + ... + 16509608.

It is an arithmetic number, because the mean of its divisors is an integer number (15201041035488).

Almost surely, 2121210102221011 is an apocalyptic number.

121210102221011 is a deficient number, since it is larger than the sum of its proper divisors (398226062893).

121210102221011 is a wasteful number, since it uses less digits than its factorization.

121210102221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055121.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121210102221011 its reverse (110122201012121), we get a palindrome (231332303233132).

The spelling of 121210102221011 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred two million, two hundred twenty-one thousand, eleven".

Divisors: 1 307 35831 11000117 11018983 3382827781 394821179873 121210102221011