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2002211011021 = 132117219101113
BaseRepresentation
bin11101001000101101000…
…100110111100111001101
321002102001112020211220011
4131020231010313213031
5230301012004323041
64131445242353221
7264440440534234
oct35105504674715
97072045224804
102002211011021
11702150a11121
122840604bb811
13116a6664c810
146cc9c395b1b
1537137171e81
hex1d22d1379cd

2002211011021 has 16 divisors (see below), whose sum is σ = 2166767861440. Its totient is φ = 1839162568320.

The previous prime is 2002211011001. The next prime is 2002211011063. The reversal of 2002211011021 is 1201101122002.

It is a cyclic number.

It is not a de Polignac number, because 2002211011021 - 233 = 1993621076429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2002211010992 and 2002211011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002211011001) 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, 19751161 + ... + 19852273.

It is an arithmetic number, because the mean of its divisors is an integer number (135422991340).

Almost surely, 22002211011021 is an apocalyptic number.

It is an amenable number.

2002211011021 is a deficient number, since it is larger than the sum of its proper divisors (164556850419).

2002211011021 is a wasteful number, since it uses less digits than its factorization.

2002211011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108556.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002211011021 its reverse (1201101122002), we get a palindrome (3203312133023).

The spelling of 2002211011021 in words is "two trillion, two billion, two hundred eleven million, eleven thousand, twenty-one".

Divisors: 1 13 211 2743 7219 93847 101113 1314469 1523209 19801717 21334843 277352959 729934747 9489151711 154016231617 2002211011021