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1210102122103 = 7172871731729
BaseRepresentation
bin10001100110111111101…
…101010000011001110111
311021200111002122002021221
4101212333231100121313
5124311242120401403
62323525132051211
7153266313216040
oct21467755203167
94250432562257
101210102122103
11427224111a36
12176638903b07
138a15c4ac854
14427d80718c7
1521726a1bdbd
hex119bfb50677

1210102122103 has 4 divisors (see below), whose sum is σ = 1382973853840. Its totient is φ = 1037230390368.

The previous prime is 1210102122091. The next prime is 1210102122121. The reversal of 1210102122103 is 3012212010121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210102122103 - 221 = 1210100024951 is a prime.

It is a super-2 number, since 2×12101021221032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210102122703) 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, 86435865858 + ... + 86435865871.

It is an arithmetic number, because the mean of its divisors is an integer number (345743463460).

Almost surely, 21210102122103 is an apocalyptic number.

1210102122103 is a deficient number, since it is larger than the sum of its proper divisors (172871731737).

1210102122103 is an equidigital number, since it uses as much as digits as its factorization.

1210102122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172871731736.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1210102122103 its reverse (3012212010121), we get a palindrome (4222314132224).

The spelling of 1210102122103 in words is "one trillion, two hundred ten billion, one hundred two million, one hundred twenty-two thousand, one hundred three".

Divisors: 1 7 172871731729 1210102122103