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1102202121001 = 4126882978561
BaseRepresentation
bin10000000010100000010…
…111011010101100101001
310220100222100202002211211
4100002200113122230221
5121024302220333001
62202202240353121
7142426411306252
oct20024027325451
93810870662754
101102202121001
113954943aa103
121597453157a1
137cc250a0157
143b4bdb37b29
151da0de8b351
hex100a05dab29

1102202121001 has 4 divisors (see below), whose sum is σ = 1129085099604. Its totient is φ = 1075319142400.

The previous prime is 1102202120989. The next prime is 1102202121029. The reversal of 1102202121001 is 1001212022011.

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 303958152976 + 798243968025 = 551324^2 + 893445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102202121001 - 215 = 1102202088233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102202127001) 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, 13441489240 + ... + 13441489321.

It is an arithmetic number, because the mean of its divisors is an integer number (282271274901).

Almost surely, 21102202121001 is an apocalyptic number.

It is an amenable number.

1102202121001 is a deficient number, since it is larger than the sum of its proper divisors (26882978603).

1102202121001 is an equidigital number, since it uses as much as digits as its factorization.

1102202121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26882978602.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102202121001 its reverse (1001212022011), we get a palindrome (2103414143012).

The spelling of 1102202121001 in words is "one trillion, one hundred two billion, two hundred two million, one hundred twenty-one thousand, one".

Divisors: 1 41 26882978561 1102202121001