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102211110012211 = 699469146126719
BaseRepresentation
bin10111001111010111100000…
…111001111000010100110011
3111101220021201222220011100221
4113033113200321320110303
5101344111323130342321
61001215045151553511
730346336406142424
oct2717274071702463
9441807658804327
10102211110012211
112a627540a66832
12b569245b2b897
13450560a6618b5
141b350890cd64b
15bc3b2b291e41
hex5cf5e0e78533

102211110012211 has 4 divisors (see below), whose sum is σ = 102211256838400. Its totient is φ = 102210963186024.

The previous prime is 102211110012203. The next prime is 102211110012229. The reversal of 102211110012211 is 112210011112201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102211110012211 - 23 = 102211110012203 is a prime.

It is a super-2 number, since 2×1022111100122112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211110012281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72363891 + ... + 73762828.

It is an arithmetic number, because the mean of its divisors is an integer number (25552814209600).

Almost surely, 2102211110012211 is an apocalyptic number.

102211110012211 is a deficient number, since it is larger than the sum of its proper divisors (146826189).

102211110012211 is an equidigital number, since it uses as much as digits as its factorization.

102211110012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146826188.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102211110012211 its reverse (112210011112201), we get a palindrome (214421121124412).

The spelling of 102211110012211 in words is "one hundred two trillion, two hundred eleven billion, one hundred ten million, twelve thousand, two hundred eleven".

Divisors: 1 699469 146126719 102211110012211