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2101231240111 = 29489891479031
BaseRepresentation
bin11110100100111011001…
…001000100001110101111
321102212122102021200010101
4132210323021010032233
5233411310144140421
64245143045451531
7304544316563623
oct36447311041657
97385572250111
102101231240111
1174014428a8a3
1229b296110ba7
131231b7185853
14739b3253183
15399d0374191
hex1e93b2443af

2101231240111 has 8 divisors (see below), whose sum is σ = 2173733330400. Its totient is φ = 2028732205920.

The previous prime is 2101231240109. The next prime is 2101231240123. The reversal of 2101231240111 is 1110421321012.

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 2101231240111 - 21 = 2101231240109 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 (2101231240711) 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, 681166 + ... + 2160196.

It is an arithmetic number, because the mean of its divisors is an integer number (271716666300).

Almost surely, 22101231240111 is an apocalyptic number.

2101231240111 is a deficient number, since it is larger than the sum of its proper divisors (72502090289).

2101231240111 is a wasteful number, since it uses less digits than its factorization.

2101231240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528049.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2101231240111 its reverse (1110421321012), we get a palindrome (3211652561123).

The spelling of 2101231240111 in words is "two trillion, one hundred one billion, two hundred thirty-one million, two hundred forty thousand, one hundred eleven".

Divisors: 1 29 48989 1420681 1479031 42891899 72456249659 2101231240111