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101001112221101 = 915731102957337
BaseRepresentation
bin10110111101110000100111…
…011010100111010110101101
3111020121121112011120122021212
4112331300213122213112231
5101214300234212033401
6554451134224004205
730163042500464351
oct2675604732472655
9436547464518255
10101001112221101
112a200370834264
12b3b2838160665
134448496980c81
141ad26a0c59461
15ba240d9d2dbb
hex5bdc276a75ad

101001112221101 has 4 divisors (see below), whose sum is σ = 101002215270012. Its totient is φ = 101000009172192.

The previous prime is 101001112221047. The next prime is 101001112221127. The reversal of 101001112221101 is 101122211100101.

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 38069813165476 + 62931299055625 = 6170074^2 + 7932925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101001112221101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001112220101) 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, 551387096 + ... + 551570241.

It is an arithmetic number, because the mean of its divisors is an integer number (25250553817503).

Almost surely, 2101001112221101 is an apocalyptic number.

It is an amenable number.

101001112221101 is a deficient number, since it is larger than the sum of its proper divisors (1103048911).

101001112221101 is an equidigital number, since it uses as much as digits as its factorization.

101001112221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103048910.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101001112221101 its reverse (101122211100101), we get a palindrome (202123323321202).

The spelling of 101001112221101 in words is "one hundred one trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 91573 1102957337 101001112221101