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20122010022101 = 1310119777774901
BaseRepresentation
bin1001001001101000001010…
…10000100111000011010101
32122020122102110211211010012
410210310011100213003111
510114134334031201401
6110443531312210005
74144524111060011
oct444640520470325
978218373754105
1020122010022101
116458773094549
12230b944539905
13b2c660a440a0
144d7ca650b541
1524d64652d8bb
hex124d054270d5

20122010022101 has 16 divisors (see below), whose sum is σ = 21885544787568. Its totient is φ = 18389306880000.

The previous prime is 20122010022077. The next prime is 20122010022139. The reversal of 20122010022101 is 10122001022102.

It can be written as a sum of positive squares in 8 ways, for example, as 2418028110001 + 17703981912100 = 1555001^2 + 4207610^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122010022101 - 210 = 20122010021077 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 (20122010022601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25579751 + ... + 26354651.

It is an arithmetic number, because the mean of its divisors is an integer number (1367846549223).

Almost surely, 220122010022101 is an apocalyptic number.

It is an amenable number.

20122010022101 is a deficient number, since it is larger than the sum of its proper divisors (1763534765467).

20122010022101 is a wasteful number, since it uses less digits than its factorization.

20122010022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794792.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122010022101 its reverse (10122001022102), we get a palindrome (30244011044203).

The spelling of 20122010022101 in words is "twenty trillion, one hundred twenty-two billion, ten million, twenty-two thousand, one hundred one".

Divisors: 1 13 101 1313 19777 257101 774901 1997477 10073713 25967201 78265001 1017445013 15325217077 199227822001 1547846924777 20122010022101