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200101120221 = 34710723132347
BaseRepresentation
bin1011101001011011110…
…1001100100011011101
3201010111101120010100210
42322112331030203131
511234301341321341
6231531501243033
720312456313102
oct2722675144335
9633441503323
10200101120221
1177953958332
1232945563479
1315b3c265822
1499836c4aa9
15531229ac16
hex2e96f4c8dd

200101120221 has 16 divisors (see below), whose sum is σ = 272505590784. Its totient is φ = 130549270704.

The previous prime is 200101120199. The next prime is 200101120243. The reversal of 200101120221 is 122021101002.

It is an interprime number because it is at equal distance from previous prime (200101120199) and next prime (200101120243).

It is not a de Polignac number, because 200101120221 - 226 = 200034011357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200101120197 and 200101120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101120291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1445770 + ... + 1578116.

It is an arithmetic number, because the mean of its divisors is an integer number (17031599424).

Almost surely, 2200101120221 is an apocalyptic number.

It is an amenable number.

200101120221 is a deficient number, since it is larger than the sum of its proper divisors (72404470563).

200101120221 is a wasteful number, since it uses less digits than its factorization.

200101120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143120.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200101120221 its reverse (122021101002), we get a palindrome (322122221223).

The spelling of 200101120221 in words is "two hundred billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 47 141 10723 32169 132347 397041 503981 1511943 6220309 18660927 1419156881 4257470643 66700373407 200101120221