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202101201 = 3274330223
BaseRepresentation
bin11000000101111…
…01000111010001
3112002021210201200
430002331013101
5403214214301
632015421413
75002555221
oct1402750721
9462253650
10202101201
11a4098695
1257824869
1332b41813
141cbac081
1512b21c86
hexc0bd1d1

202101201 has 12 divisors (see below), whose sum is σ = 292326528. Its totient is φ = 134548344.

The previous prime is 202101199. The next prime is 202101217. The reversal of 202101201 is 102101202.

It is not a de Polignac number, because 202101201 - 21 = 202101199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (202101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8425 + ... + 21798.

It is an arithmetic number, because the mean of its divisors is an integer number (24360544).

Almost surely, 2202101201 is an apocalyptic number.

It is an amenable number.

202101201 is a deficient number, since it is larger than the sum of its proper divisors (90225327).

202101201 is a wasteful number, since it uses less digits than its factorization.

202101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30972 (or 30969 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 202101201 is about 14216.2301965043. The cubic root of 202101201 is about 586.8444001711.

Adding to 202101201 its reverse (102101202), we get a palindrome (304202403).

Subtracting from 202101201 its reverse (102101202), we obtain a palindrome (99999999).

The spelling of 202101201 in words is "two hundred two million, one hundred one thousand, two hundred one".

Divisors: 1 3 9 743 2229 6687 30223 90669 272007 22455689 67367067 202101201