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1102102020001 = 2786873954623
BaseRepresentation
bin10000000010011010011…
…001100011111110100001
310220100201101101110002101
4100002122121203332201
5121024101104120001
62202144303050401
7142424054413513
oct20023231437641
93810641343071
101102102020001
11395442949804
121597178a0a01
137cc0a4226a8
143b4b071bbb3
151da052b6a01
hex1009a663fa1

1102102020001 has 4 divisors (see below), whose sum is σ = 1102106253312. Its totient is φ = 1102097786692.

The previous prime is 1102102019971. The next prime is 1102102020007. The reversal of 1102102020001 is 1000202012011.

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 1102102020001 - 233 = 1093512085409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102102020001.

It is not an unprimeable number, because it can be changed into a prime (1102102020007) 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, 1698625 + ... + 2255998.

It is an arithmetic number, because the mean of its divisors is an integer number (275526563328).

Almost surely, 21102102020001 is an apocalyptic number.

It is an amenable number.

1102102020001 is a deficient number, since it is larger than the sum of its proper divisors (4233311).

1102102020001 is an equidigital number, since it uses as much as digits as its factorization.

1102102020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233310.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1102102020001 its reverse (1000202012011), we get a palindrome (2102304032012).

The spelling of 1102102020001 in words is "one trillion, one hundred two billion, one hundred two million, twenty thousand, one".

Divisors: 1 278687 3954623 1102102020001