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121202132022121 = 1552758061134443
BaseRepresentation
bin11011100011101110010010…
…000001100111001101101001
3120220010210212222021002110011
4123203232102001213031221
5111341233431244201441
61105435254002051521
734346364550604143
oct3343562201471551
9526123788232404
10121202132022121
1135689598880057
1211715950949ba1
135282409634a17
1421d03007bbc93
15e02b2b5d1581
hex6e3b92067369

121202132022121 has 8 divisors (see below), whose sum is σ = 121212927134784. Its totient is φ = 121191337325520.

The previous prime is 121202132022067. The next prime is 121202132022131. The reversal of 121202132022121 is 121220231202121.

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-121202132022121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121202132022092 and 121202132022101.

It is not an unprimeable number, because it can be changed into a prime (121202132022131) 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, 901445926 + ... + 901580368.

It is an arithmetic number, because the mean of its divisors is an integer number (15151615891848).

Almost surely, 2121202132022121 is an apocalyptic number.

It is an amenable number.

121202132022121 is a deficient number, since it is larger than the sum of its proper divisors (10795112663).

121202132022121 is a wasteful number, since it uses less digits than its factorization.

121202132022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208031.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121202132022121 its reverse (121220231202121), we get a palindrome (242422363224242).

The spelling of 121202132022121 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred thirty-two million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 15527 58061 134443 901513147 2087496461 7805895023 121202132022121