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20012202101211 = 310914761116971
BaseRepresentation
bin1001000110011011101000…
…01100101000100111011011
32121212010222202212110202020
410203031310030220213123
510110334442214214321
6110321251223305523
74133556011123655
oct443156414504733
977763882773666
1020012202101211
116416144407301
1222b25b9bab2a3
13b221b128a078
144d284aa476d5
1524a86b2284c6
hex1233743289db

20012202101211 has 8 divisors (see below), whose sum is σ = 26683181039424. Its totient is φ = 13341345615240.

The previous prime is 20012202101197. The next prime is 20012202101231. The reversal of 20012202101211 is 11210120221002.

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

It is not a de Polignac number, because 20012202101211 - 25 = 20012202101179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012202101231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30231045 + ... + 30885926.

It is an arithmetic number, because the mean of its divisors is an integer number (3335397629928).

Almost surely, 220012202101211 is an apocalyptic number.

20012202101211 is a deficient number, since it is larger than the sum of its proper divisors (6670978938213).

20012202101211 is a wasteful number, since it uses less digits than its factorization.

20012202101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61226121.

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

Adding to 20012202101211 its reverse (11210120221002), we get a palindrome (31222322322213).

The spelling of 20012202101211 in words is "twenty trillion, twelve billion, two hundred two million, one hundred one thousand, two hundred eleven".

Divisors: 1 3 109147 327441 61116971 183350913 6670734033737 20012202101211