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11211120101 = 174391502227
BaseRepresentation
bin10100111000011110…
…00001110111100101
31001221022200220120102
422130033001313211
5140430021320401
65052245113445
7544551643226
oct123417016745
931838626512
1011211120101
114833426515
12220a6b8885
1310988a629c
14784d4924d
1545939356b
hex29c3c1de5

11211120101 has 8 divisors (see below), whose sum is σ = 11897645760. Its totient is φ = 10527599808.

The previous prime is 11211120077. The next prime is 11211120131. The reversal of 11211120101 is 10102111211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11211120101 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 (11211120131) 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, 743651 + ... + 758576.

It is an arithmetic number, because the mean of its divisors is an integer number (1487205720).

Almost surely, 211211120101 is an apocalyptic number.

It is an amenable number.

11211120101 is a deficient number, since it is larger than the sum of its proper divisors (686525659).

11211120101 is a wasteful number, since it uses less digits than its factorization.

11211120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502683.

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

Adding to 11211120101 its reverse (10102111211), we get a palindrome (21313231312).

The spelling of 11211120101 in words is "eleven billion, two hundred eleven million, one hundred twenty thousand, one hundred one".

Divisors: 1 17 439 7463 1502227 25537859 659477653 11211120101