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20122220121103 = 277231131433749
BaseRepresentation
bin1001001001101000100011…
…10010000100110000001111
32122020122222010011221202201
410210310101302010300033
510114140301322333403
6110444004215302331
74144532241635362
oct444642162046017
978218863157681
1020122220121103
116458870744a91
12230b9a297a9a7
13b2c695426019
144d7cc639c0d9
1524d659bd021d
hex124d11c84c0f

20122220121103 has 8 divisors (see below), whose sum is σ = 20203602740000. Its totient is φ = 20040900374880.

The previous prime is 20122220121067. The next prime is 20122220121131. The reversal of 20122220121103 is 30112102222102.

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 20122220121103 - 233 = 20113630186511 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 (20122220121173) 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, 15076728 + ... + 16357021.

It is an arithmetic number, because the mean of its divisors is an integer number (2525450342500).

Almost surely, 220122220121103 is an apocalyptic number.

20122220121103 is a deficient number, since it is larger than the sum of its proper divisors (81382618897).

20122220121103 is a wasteful number, since it uses less digits than its factorization.

20122220121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31436337.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20122220121103 its reverse (30112102222102), we get a palindrome (50234322343205).

The spelling of 20122220121103 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred three".

Divisors: 1 277 2311 640147 31433749 8707148473 72643393939 20122220121103