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122020220112211 = 183437665188703
BaseRepresentation
bin11011101111101000001011…
…111000000000110101010011
3121000001000111221100000100101
4123233220023320000311103
5111443134402322042321
61111303152033033231
734462445542620541
oct3357501370006523
9530030457300311
10122020220112211
1135974537213633
12118284049b5817
1353115c3b45485
14221bb4b140d91
15e1905c87c791
hex6efa0be00d53

122020220112211 has 4 divisors (see below), whose sum is σ = 122020885484352. Its totient is φ = 122019554740072.

The previous prime is 122020220112191. The next prime is 122020220112221. The reversal of 122020220112211 is 112211022020221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122020220112211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122020220112221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332410915 + ... + 332777788.

It is an arithmetic number, because the mean of its divisors is an integer number (30505221371088).

Almost surely, 2122020220112211 is an apocalyptic number.

122020220112211 is a deficient number, since it is larger than the sum of its proper divisors (665372141).

122020220112211 is an equidigital number, since it uses as much as digits as its factorization.

122020220112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665372140.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122020220112211 its reverse (112211022020221), we get a palindrome (234231242132432).

The spelling of 122020220112211 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 183437 665188703 122020220112211