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122100202303201 = 180167795781401
BaseRepresentation
bin11011110000110010101011…
…001011110110111011100001
3121000022122222000221021222101
4123300302223023312323201
5112000442203242200301
61111404020353010401
734501306560210043
oct3360625313667341
9530278860837871
10122100202303201
11359a5450066521
121183ba06853a01
135318ccc3831c5
1422219777a1a93
15e1b18e4ce701
hex6f0cab2f6ee1

122100202303201 has 4 divisors (see below), whose sum is σ = 122167998086404. Its totient is φ = 122032406520000.

The previous prime is 122100202303159. The next prime is 122100202303207. The reversal of 122100202303201 is 102303202001221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75613441968801 + 46486760334400 = 8695599^2 + 6818120^2 .

It is a cyclic number.

It is not a de Polignac number, because 122100202303201 - 219 = 122100201778913 is a prime.

It is a super-2 number, since 2×1221002023032012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100202303207) 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, 33897888900 + ... + 33897892501.

It is an arithmetic number, because the mean of its divisors is an integer number (30541999521601).

Almost surely, 2122100202303201 is an apocalyptic number.

It is an amenable number.

122100202303201 is a deficient number, since it is larger than the sum of its proper divisors (67795783203).

122100202303201 is an equidigital number, since it uses as much as digits as its factorization.

122100202303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67795783202.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122100202303201 its reverse (102303202001221), we get a palindrome (224403404304422).

The spelling of 122100202303201 in words is "one hundred twenty-two trillion, one hundred billion, two hundred two million, three hundred three thousand, two hundred one".

Divisors: 1 1801 67795781401 122100202303201