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122201202221101 = 748716321784723
BaseRepresentation
bin11011110010010000101111…
…001111111110000000101101
3121000200022122220002201201101
4123302100233033332000231
5112004121030232033401
61111522242435443101
734511513465305063
oct3362205717760055
9530608586081641
10122201202221101
1135a34269969753
12118574b3456491
1353256a70a1633
1422267d954c033
15e1db013d1101
hex6f242f3fe02d

122201202221101 has 4 divisors (see below), whose sum is σ = 122217524013312. Its totient is φ = 122184880428892.

The previous prime is 122201202221099. The next prime is 122201202221143. The reversal of 122201202221101 is 101122202102221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122201202221101 - 21 = 122201202221099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201202221201) 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, 8160884875 + ... + 8160899848.

It is an arithmetic number, because the mean of its divisors is an integer number (30554381003328).

Almost surely, 2122201202221101 is an apocalyptic number.

It is an amenable number.

122201202221101 is a deficient number, since it is larger than the sum of its proper divisors (16321792211).

122201202221101 is an equidigital number, since it uses as much as digits as its factorization.

122201202221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321792210.

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

Adding to 122201202221101 its reverse (101122202102221), we get a palindrome (223323404323322).

The spelling of 122201202221101 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred two million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 7487 16321784723 122201202221101