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20201101221112 = 2372315684084799
BaseRepresentation
bin1001001011111011011110…
…11101100101110011111000
32122112012120110220000112021
410211331233131211303320
510121433323403033422
6110544131403124224
74153324056136030
oct445755735456370
978465513800467
1020201101221112
116489269aa7a29
122323137b13674
13b36c567c0626
144dba4a6b88c0
15250724d32dc7
hex125f6f765cf8

20201101221112 has 32 divisors (see below), whose sum is σ = 45170164224000. Its totient is φ = 8281196773344.

The previous prime is 20201101221107. The next prime is 20201101221167. The reversal of 20201101221112 is 21112210110202.

It is a super-2 number, since 2×202011012211122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7842041112 + ... + 7842043687.

It is an arithmetic number, because the mean of its divisors is an integer number (1411567632000).

Almost surely, 220201101221112 is an apocalyptic number.

It is an amenable number.

20201101221112 is an abundant number, since it is smaller than the sum of its proper divisors (24969063002888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201101221112 is a wasteful number, since it uses less digits than its factorization.

20201101221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684084835 (or 15684084831 counting only the distinct ones).

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

Adding to 20201101221112 its reverse (21112210110202), we get a palindrome (41313311331314).

The spelling of 20201101221112 in words is "twenty trillion, two hundred one billion, one hundred one million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 15684084799 31368169598 62736339196 109788593593 125472678392 219577187186 360733950377 439154374372 721467900754 878308748744 1442935801508 2525137652639 2885871603016 5050275305278 10100550610556 20201101221112