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102100121211011 = 7111797407684917
BaseRepresentation
bin10111001101110000001001…
…011101001101000010000011
3111101111200020222212212202012
4113031300021131031002003
5101340302022012223021
61001052052000443135
730335330116662560
oct2715601135150203
9441450228785665
10102100121211011
112a594466751750
12b54b8300194ab
1344c8000348c31
141b2d95a875867
15bc0cd247b35b
hex5cdc0974d083

102100121211011 has 16 divisors (see below), whose sum is σ = 128004795383040. Its totient is φ = 79114074902880.

The previous prime is 102100121211001. The next prime is 102100121211013. The reversal of 102100121211011 is 110112121001201.

It is a cyclic number.

It is not a de Polignac number, because 102100121211011 - 222 = 102100117016707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100121211013) 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, 3703828676 + ... + 3703856241.

It is an arithmetic number, because the mean of its divisors is an integer number (8000299711440).

Almost surely, 2102100121211011 is an apocalyptic number.

102100121211011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102100121211011 is a deficient number, since it is larger than the sum of its proper divisors (25904674172029).

102100121211011 is a wasteful number, since it uses less digits than its factorization.

102100121211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407685114.

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

Adding to 102100121211011 its reverse (110112121001201), we get a palindrome (212212242212212).

The spelling of 102100121211011 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred eleven thousand, eleven".

Divisors: 1 7 11 77 179 1253 1969 13783 7407684917 51853794419 81484534087 570391738609 1325975600143 9281829201001 14585731601573 102100121211011