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1111210223131 = 17639710218119
BaseRepresentation
bin10000001010111001010…
…010100110011000011011
310221020020011002002220001
4100022321102212120123
5121201224304120011
62210252151313431
7143165553023551
oct20127122463033
93836204062801
101111210223131
11399297224608
1215b43a07b877
1380a2c4291b8
143bad625bbd1
151dd89c187c1
hex102b94a661b

1111210223131 has 8 divisors (see below), whose sum is σ = 1176759571680. Its totient is φ = 1045681323648.

The previous prime is 1111210223111. The next prime is 1111210223171. The reversal of 1111210223131 is 1313220121111.

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 1111210223131 - 211 = 1111210221083 is a prime.

It is a super-2 number, since 2×11112102231312 (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 = 1111210223099 and 1111210223108.

It is not an unprimeable number, because it can be changed into a prime (1111210223111) 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, 5000311 + ... + 5217808.

It is an arithmetic number, because the mean of its divisors is an integer number (147094946460).

Almost surely, 21111210223131 is an apocalyptic number.

1111210223131 is a deficient number, since it is larger than the sum of its proper divisors (65549348549).

1111210223131 is a wasteful number, since it uses less digits than its factorization.

1111210223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224533.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111210223131 its reverse (1313220121111), we get a palindrome (2424430344242).

The spelling of 1111210223131 in words is "one trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 17 6397 108749 10218119 173708023 65365307243 1111210223131