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200121220201 = 761468667963
BaseRepresentation
bin1011101001100000100…
…1110111110001101001
3201010112210101022100111
42322120021313301221
511234322013021301
6231533500134321
720313122206450
oct2723011676151
9633483338314
10200121220201
1177964236791
12329502373a1
1315b434825c6
149986237b97
155313e1b551
hex2e98277c69

200121220201 has 8 divisors (see below), whose sum is σ = 232459310144. Its totient is φ = 168720466320.

The previous prime is 200121220193. The next prime is 200121220231. The reversal of 200121220201 is 102022121002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200121220201 - 23 = 200121220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200121220231) 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, 234333555 + ... + 234334408.

It is an arithmetic number, because the mean of its divisors is an integer number (29057413768).

Almost surely, 2200121220201 is an apocalyptic number.

It is an amenable number.

200121220201 is a deficient number, since it is larger than the sum of its proper divisors (32338089943).

200121220201 is an equidigital number, since it uses as much as digits as its factorization.

200121220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468668031.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200121220201 its reverse (102022121002), we get a palindrome (302143341203).

The spelling of 200121220201 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty thousand, two hundred one".

Divisors: 1 7 61 427 468667963 3280675741 28588745743 200121220201