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1111202120103 = 31971880206633
BaseRepresentation
bin10000001010111000110…
…011101100000110100111
310221020012120211102121220
4100022320303230012213
5121201220220320403
62210251301511423
7143165424114555
oct20127063540647
93836176742556
101111202120103
1139929269a699
1215b437412573
1380a2a84cbca
143bad514cbd5
151dd89167953
hex102b8cec1a7

1111202120103 has 8 divisors (see below), whose sum is σ = 1489123654128. Its totient is φ = 737040999744.

The previous prime is 1111202120099. The next prime is 1111202120129. The reversal of 1111202120103 is 3010212021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111202120103 - 22 = 1111202120099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111202100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940102726 + ... + 940103907.

It is an arithmetic number, because the mean of its divisors is an integer number (186140456766).

Almost surely, 21111202120103 is an apocalyptic number.

1111202120103 is a deficient number, since it is larger than the sum of its proper divisors (377921534025).

1111202120103 is a wasteful number, since it uses less digits than its factorization.

1111202120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880206833.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1111202120103 its reverse (3010212021111), we get a palindrome (4121414141214).

The spelling of 1111202120103 in words is "one trillion, one hundred eleven billion, two hundred two million, one hundred twenty thousand, one hundred three".

Divisors: 1 3 197 591 1880206633 5640619899 370400706701 1111202120103