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202111011221101 = 10112703271575263
BaseRepresentation
bin101101111101000110100011…
…000001110110111001101101
3222111121121211212200020110221
4231331012203001312321231
5202442341322333033401
61553504303342131341
760400016161530523
oct5575064301667155
9874547755606427
10202111011221101
11594428868a1664
121a802574880b51
1388a0ca9688918
1437ca321ac6313
151857587d107a1
hexb7d1a3076e6d

202111011221101 has 8 divisors (see below), whose sum is σ = 204112400592384. Its totient is φ = 200109627541200.

The previous prime is 202111011221069. The next prime is 202111011221137. The reversal of 202111011221101 is 101122110111202.

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

It is a cyclic number.

It is not a de Polignac number, because 202111011221101 - 25 = 202111011221069 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 (202111011227101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127515396 + ... + 129090658.

It is an arithmetic number, because the mean of its divisors is an integer number (25514050074048).

Almost surely, 2202111011221101 is an apocalyptic number.

It is an amenable number.

202111011221101 is a deficient number, since it is larger than the sum of its proper divisors (2001389371283).

202111011221101 is a wasteful number, since it uses less digits than its factorization.

202111011221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845691.

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

Adding to 202111011221101 its reverse (101122110111202), we get a palindrome (303233121332303).

The spelling of 202111011221101 in words is "two hundred two trillion, one hundred eleven billion, eleven million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 101 1270327 1575263 128303027 159101563 2001099121001 202111011221101