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210211121002001 = 7241922713504549
BaseRepresentation
bin101111110010111110010111…
…001100011111011000010001
31000120021222122110021102200012
4233302332113030133120101
5210023044333434031001
62023025353354204305
762164152353615360
oct5762762714373021
91016258573242605
10210211121002001
1160a86043681a09
121b6b03a7123695
13903aa92748c12
1439ca3b5c017d7
1519481189482bb
hexbf2f9731f611

210211121002001 has 16 divisors (see below), whose sum is σ = 241264295606400. Its totient is φ = 179413862181120.

The previous prime is 210211121001991. The next prime is 210211121002009. The reversal of 210211121002001 is 100200121112012.

It is a de Polignac number, because none of the positive numbers 2k-210211121002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210211121002009) 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, 8813675 + ... + 22318223.

It is an arithmetic number, because the mean of its divisors is an integer number (15079018475400).

Almost surely, 2210211121002001 is an apocalyptic number.

It is an amenable number.

210211121002001 is a deficient number, since it is larger than the sum of its proper divisors (31053174604399).

210211121002001 is a wasteful number, since it uses less digits than its factorization.

210211121002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514024.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210211121002001 its reverse (100200121112012), we get a palindrome (310411242114013).

The spelling of 210211121002001 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty-one million, two thousand, one".

Divisors: 1 7 241 1687 9227 64589 2223707 13504549 15565949 94531843 3254596309 22782174163 124606473623 872245315361 30030160143143 210211121002001