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2111021211101 = 111711611121231
BaseRepresentation
bin11110101110000010101…
…010110101110111011101
321110210220200211201121112
4132232002222311313131
5234041332412223401
64253442330511405
7305342034141245
oct36560252656735
97423820751545
102111021211101
11744308491a10
122a1168895565
131240b74b6baa
1474261542b25
1539da4a963bb
hex1eb82ab5ddd

2111021211101 has 8 divisors (see below), whose sum is σ = 2302947739008. Its totient is φ = 1919097268000.

The previous prime is 2111021211077. The next prime is 2111021211107. The reversal of 2111021211101 is 1011121201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2111021211101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021211107) 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, 1322156 + ... + 2443386.

It is an arithmetic number, because the mean of its divisors is an integer number (287868467376).

Almost surely, 22111021211101 is an apocalyptic number.

It is an amenable number.

2111021211101 is a deficient number, since it is larger than the sum of its proper divisors (191926527907).

2111021211101 is a wasteful number, since it uses less digits than its factorization.

2111021211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292403.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111021211101 its reverse (1011121201112), we get a palindrome (3122142412213).

The spelling of 2111021211101 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred eleven thousand, one hundred one".

Divisors: 1 11 171161 1121231 1882771 12333541 191911019191 2111021211101