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201001022220211 = 1971020309757463
BaseRepresentation
bin101101101100111100110010…
…100001110110011110110011
3222100200111202211112122120021
4231230330302201312132303
5202321200043142021321
61551254332253424311
760223562464641433
oct5554746241663663
9870614684478507
10201001022220211
1159055066a59434
121a66341779b097
138820413274745
14378c703b202c3
151838770425941
hexb6cf328767b3

201001022220211 has 4 divisors (see below), whose sum is σ = 202021331977872. Its totient is φ = 199980712462552.

The previous prime is 201001022220191. The next prime is 201001022220241. The reversal of 201001022220211 is 112022220100102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201001022220211 - 217 = 201001022089139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001022220241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510154878535 + ... + 510154878928.

It is an arithmetic number, because the mean of its divisors is an integer number (50505332994468).

Almost surely, 2201001022220211 is an apocalyptic number.

201001022220211 is a deficient number, since it is larger than the sum of its proper divisors (1020309757661).

201001022220211 is a wasteful number, since it uses less digits than its factorization.

201001022220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020309757660.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201001022220211 its reverse (112022220100102), we get a palindrome (313023242320313).

The spelling of 201001022220211 in words is "two hundred one trillion, one billion, twenty-two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 197 1020309757463 201001022220211