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102101110101211 = 13151372431396579
BaseRepresentation
bin10111001101110001000100…
…011001100001010011011011
3111101111202210220122201002011
4113031301010121201103123
5101340311033141214321
61001052334044050351
730335363455262434
oct2715610431412333
9441452726581064
10102101110101211
112a594923977581
12b54ba672339b7
1344c812a196370
141b2da11d3048b
15bc0d3e1b5ae1
hex5cdc446614db

102101110101211 has 16 divisors (see below), whose sum is σ = 110686271906560. Its totient is φ = 93620444176800.

The previous prime is 102101110101161. The next prime is 102101110101257. The reversal of 102101110101211 is 112101011101201.

It is a cyclic number.

It is not a de Polignac number, because 102101110101211 - 215 = 102101110068443 is a prime.

It is a super-2 number, since 2×1021011101012112 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102101110101191 and 102101110101200.

It is not an unprimeable number, because it can be changed into a prime (102101110101811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72409720 + ... + 73806298.

It is an arithmetic number, because the mean of its divisors is an integer number (6917891994160).

Almost surely, 2102101110101211 is an apocalyptic number.

102101110101211 is a deficient number, since it is larger than the sum of its proper divisors (8585161805349).

102101110101211 is a wasteful number, since it uses less digits than its factorization.

102101110101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433986.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 102101110101211 its reverse (112101011101201), we get a palindrome (214202121202412).

The spelling of 102101110101211 in words is "one hundred two trillion, one hundred one billion, one hundred ten million, one hundred one thousand, two hundred eleven".

Divisors: 1 13 151 1963 37243 484159 1396579 5623693 18155527 73108009 210883429 2741484577 52012791697 676166292061 7853931546247 102101110101211