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210212121022201 = 1447158391771601
BaseRepresentation
bin101111110010111111010010…
…110011010000111011111001
31000120022002020010222201111101
4233302333102303100323321
5210023103410440202301
62023030040520131401
762164216215632224
oct5762772263207371
91016262203881441
10210212121022201
1160a86507109991
121b6b0626006b61
13903abc199234c
1439ca46c9565bb
151948176630701
hexbf2fd2cd0ef9

210212121022201 has 8 divisors (see below), whose sum is σ = 210490283038464. Its totient is φ = 209934142555200.

The previous prime is 210212121022159. The next prime is 210212121022327. The reversal of 210212121022201 is 102220121212012.

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 210212121022201 - 215 = 210212120989433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210212121092201) 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, 43595200 + ... + 48176401.

It is an arithmetic number, because the mean of its divisors is an integer number (26311285379808).

Almost surely, 2210212121022201 is an apocalyptic number.

It is an amenable number.

210212121022201 is a deficient number, since it is larger than the sum of its proper divisors (278162016263).

210212121022201 is a wasteful number, since it uses less digits than its factorization.

210212121022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91774631.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210212121022201 its reverse (102220121212012), we get a palindrome (312432242234213).

The spelling of 210212121022201 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, two hundred one".

Divisors: 1 1447 1583 2290601 91771601 132793506647 145274444383 210212121022201