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11211000101 = 723101689441
BaseRepresentation
bin10100111000011101…
…00100100100100101
31001221022110210221222
422130032210210211
5140430004000401
65052242350125
7544550633330
oct123416444445
931838423858
1011211000101
114833354344
12220a65b345
131098863792
14784d17617
1545936cc1b
hex29c3a4925

11211000101 has 16 divisors (see below), whose sum is σ = 13502032128. Its totient is φ = 9100608000.

The previous prime is 11211000091. The next prime is 11211000113. The reversal of 11211000101 is 10100011211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11211000101 - 214 = 11210983717 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 (11211000131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328460 + ... + 360981.

It is an arithmetic number, because the mean of its divisors is an integer number (843877008).

Almost surely, 211211000101 is an apocalyptic number.

It is an amenable number.

11211000101 is a deficient number, since it is larger than the sum of its proper divisors (2291032027).

11211000101 is a wasteful number, since it uses less digits than its factorization.

11211000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689572.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11211000101 its reverse (10100011211), we get a palindrome (21311011312).

It can be divided in two parts, 11 and 211000101, that added together give a palindrome (211000112).

The spelling of 11211000101 in words is "eleven billion, two hundred eleven million, one hundred one", and thus it is an aban number.

Divisors: 1 7 23 101 161 707 2323 16261 689441 4826087 15857143 69633541 111000001 487434787 1601571443 11211000101