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20012201101 = 239106178919
BaseRepresentation
bin10010101000110100…
…011111010010001101
31220122200111011000101
4102220310133102031
5311441110413401
613105442531101
71305630621424
oct225064372215
956580434011
1020012201101
11853a402982
123a66066a91
131b6c08a319
14d7bb802bb
157c1d7b101
hex4a8d1f48d

20012201101 has 8 divisors (see below), whose sum is σ = 20115129600. Its totient is φ = 19909433040.

The previous prime is 20012201081. The next prime is 20012201113. The reversal of 20012201101 is 10110221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012201101 - 215 = 20012168333 is a prime.

It is a super-2 number, since 2×200122011012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012201201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214120 + ... + 293038.

It is an arithmetic number, because the mean of its divisors is an integer number (2514391200).

Almost surely, 220012201101 is an apocalyptic number.

It is an amenable number.

20012201101 is a deficient number, since it is larger than the sum of its proper divisors (102928499).

20012201101 is a wasteful number, since it uses less digits than its factorization.

20012201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80219.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20012201101 its reverse (10110221002), we get a palindrome (30122422103).

The spelling of 20012201101 in words is "twenty billion, twelve million, two hundred one thousand, one hundred one".

Divisors: 1 239 1061 78919 253579 18861641 83733059 20012201101