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101201101202221 = 432353513981447
BaseRepresentation
bin10111000000101010110111…
…101100000010001100101101
3111021022201201202010111201121
4113000222313230002030231
5101231034323401432341
6555123051041540541
730213352425666346
oct2700526754021455
9437281652114647
10101201101202221
112a278167359849
12b425550044751
1344612b89128a7
141adc2336ad0cd
15ba7715ecc4d1
hex5c0ab7b0232d

101201101202221 has 4 divisors (see below), whose sum is σ = 103554615183712. Its totient is φ = 98847587220732.

The previous prime is 101201101202191. The next prime is 101201101202239. The reversal of 101201101202221 is 122202101102101.

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 101201101202221 - 25 = 101201101202189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201101202195 and 101201101202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201101202261) 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, 1176756990681 + ... + 1176756990766.

It is an arithmetic number, because the mean of its divisors is an integer number (25888653795928).

Almost surely, 2101201101202221 is an apocalyptic number.

It is an amenable number.

101201101202221 is a deficient number, since it is larger than the sum of its proper divisors (2353513981491).

101201101202221 is an equidigital number, since it uses as much as digits as its factorization.

101201101202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353513981490.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101201101202221 its reverse (122202101102101), we get a palindrome (223403202304322).

The spelling of 101201101202221 in words is "one hundred one trillion, two hundred one billion, one hundred one million, two hundred two thousand, two hundred twenty-one".

Divisors: 1 43 2353513981447 101201101202221