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1102122020201 = 3461318440341
BaseRepresentation
bin10000000010011011100…
…101110110110101101001
310220100202210000120012112
4100002123211312311221
5121024121214121301
62202150255452105
7142424416413236
oct20023345666551
93810683016175
101102122020201
1139545316a1a4
12159722527035
137cc11605c27
143b4b324678d
151da06e179bb
hex1009b976d69

1102122020201 has 4 divisors (see below), whose sum is σ = 1102440464004. Its totient is φ = 1101803576400.

The previous prime is 1102122020171. The next prime is 1102122020213. The reversal of 1102122020201 is 1020202212011.

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 754988947801 + 347133072400 = 868901^2 + 589180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102122020201 - 226 = 1102054911337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1102122020221) 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, 159216710 + ... + 159223631.

It is an arithmetic number, because the mean of its divisors is an integer number (275610116001).

Almost surely, 21102122020201 is an apocalyptic number.

It is an amenable number.

1102122020201 is a deficient number, since it is larger than the sum of its proper divisors (318443803).

1102122020201 is an equidigital number, since it uses as much as digits as its factorization.

1102122020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318443802.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1102122020201 its reverse (1020202212011), we get a palindrome (2122324232212).

The spelling of 1102122020201 in words is "one trillion, one hundred two billion, one hundred twenty-two million, twenty thousand, two hundred one".

Divisors: 1 3461 318440341 1102122020201