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2001211112202 = 234013217258551
BaseRepresentation
bin11101000111110001011…
…110100011101100001010
321002022110211202201120120
4131013301132203230022
5230241440021042302
64131202123204110
7264403606534311
oct35076136435412
97068424681516
102001211112202
11701788557365
12283a21676636
13116937449703
146cc05673278
15370c94b09bc
hex1d1f17a3b0a

2001211112202 has 32 divisors (see below), whose sum is σ = 4013666100864. Its totient is φ = 665197440000.

The previous prime is 2001211112183. The next prime is 2001211112209. The reversal of 2001211112202 is 2022111121002.

It is not an unprimeable number, because it can be changed into a prime (2001211112209) 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, 7610827 + ... + 7869377.

It is an arithmetic number, because the mean of its divisors is an integer number (125427065652).

Almost surely, 22001211112202 is an apocalyptic number.

2001211112202 is an abundant number, since it is smaller than the sum of its proper divisors (2012454988662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001211112202 is a wasteful number, since it uses less digits than its factorization.

2001211112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262174.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2001211112202 its reverse (2022111121002), we get a palindrome (4023322233204).

The spelling of 2001211112202 in words is "two trillion, one billion, two hundred eleven million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 401 802 1203 2406 3217 6434 9651 19302 258551 517102 775653 1290017 1551306 2580034 3870051 7740102 103678951 207357902 311036853 622073706 831758567 1663517134 2495275701 4990551402 333535185367 667070370734 1000605556101 2001211112202