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1320101222131 = 10515711255361
BaseRepresentation
bin10011001101011100001…
…010100001011011110011
311200012102010100100010201
4103031130022201123303
5133112031403102011
62450240210340031
7164242224150466
oct23153412413363
94605363310121
101320101222131
114699407a796a
12193a1728a617
139763c752c13
1447c7109d2dd
15245139d7cc1
hex1335c2a16f3

1320101222131 has 4 divisors (see below), whose sum is σ = 1320103529064. Its totient is φ = 1320098915200.

The previous prime is 1320101222119. The next prime is 1320101222191. The reversal of 1320101222131 is 1312221010231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1320101222131 - 29 = 1320101221619 is a prime.

It is a super-2 number, since 2×13201012221312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320101222099 and 1320101222108.

It is not an unprimeable number, because it can be changed into a prime (1320101222191) 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, 423891 + ... + 1679251.

It is an arithmetic number, because the mean of its divisors is an integer number (330025882266).

Almost surely, 21320101222131 is an apocalyptic number.

1320101222131 is a deficient number, since it is larger than the sum of its proper divisors (2306933).

1320101222131 is a wasteful number, since it uses less digits than its factorization.

1320101222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306932.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1320101222131 its reverse (1312221010231), we get a palindrome (2632322232362).

The spelling of 1320101222131 in words is "one trillion, three hundred twenty billion, one hundred one million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 1051571 1255361 1320101222131