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2121022301 = 127149112087
BaseRepresentation
bin111111001101100…
…0011101101011101
312110211002002121112
41332123003231131
513320440203201
6550244511405
7103363251326
oct17633035535
95424062545
102121022301
119992974a2
124b23ab565
1327a56b6a8
1416199d44d
15c631b0bb
hex7e6c3b5d

2121022301 has 8 divisors (see below), whose sum is σ = 2152089600. Its totient is φ = 2090179728.

The previous prime is 2121022261. The next prime is 2121022327. The reversal of 2121022301 is 1032201212.

It is a happy number.

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 2121022301 - 222 = 2116827997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121022331) 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, 37121 + ... + 74966.

It is an arithmetic number, because the mean of its divisors is an integer number (269011200).

Almost surely, 22121022301 is an apocalyptic number.

It is an amenable number.

2121022301 is a deficient number, since it is larger than the sum of its proper divisors (31067299).

2121022301 is a wasteful number, since it uses less digits than its factorization.

2121022301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112363.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2121022301 is about 46054.5578743299. The cubic root of 2121022301 is about 1284.8381151322.

Adding to 2121022301 its reverse (1032201212), we get a palindrome (3153223513).

The spelling of 2121022301 in words is "two billion, one hundred twenty-one million, twenty-two thousand, three hundred one".

Divisors: 1 127 149 18923 112087 14235049 16700963 2121022301