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11211201101 = 431481176047
BaseRepresentation
bin10100111000011110…
…10101101001001101
31001221022212000200102
422130033111221031
5140430031413401
65052250540445
7544552431332
oct123417255115
931838760612
1011211201101
114833481361
12220a737725
131098904109
14784d6a989
154593ac56b
hex29c3d5a4d

11211201101 has 8 divisors (see below), whose sum is σ = 11479737984. Its totient is φ = 10943019360.

The previous prime is 11211201073. The next prime is 11211201103. The reversal of 11211201101 is 10110211211.

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 11211201101 - 226 = 11144092237 is a prime.

It is a super-2 number, since 2×112112011012 (a number of 21 digits) contains 22 as substring.

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 (11211201103) 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, 24341 + ... + 151706.

It is an arithmetic number, because the mean of its divisors is an integer number (1434967248).

Almost surely, 211211201101 is an apocalyptic number.

It is an amenable number.

11211201101 is a deficient number, since it is larger than the sum of its proper divisors (268536883).

11211201101 is a wasteful number, since it uses less digits than its factorization.

11211201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177571.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11211201101 its reverse (10110211211), we get a palindrome (21321412312).

The spelling of 11211201101 in words is "eleven billion, two hundred eleven million, two hundred one thousand, one hundred one".

Divisors: 1 43 1481 63683 176047 7570021 260725607 11211201101