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102111202201 = 234439617487
BaseRepresentation
bin101111100011001001…
…1010100101110011001
3100202120022020112012211
41133012103110232121
53133110431432301
6114524221235121
710243260616651
oct1370623245631
9322508215184
10102111202201
113a33a125608
1217958a02aa1
139824020408
144d295c5361
1529c9766051
hex17c64d4b99

102111202201 has 4 divisors (see below), whose sum is σ = 106550819712. Its totient is φ = 97671584692.

The previous prime is 102111202183. The next prime is 102111202213. The reversal of 102111202201 is 102202111201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102111202201 - 27 = 102111202073 is a prime.

It is a super-2 number, since 2×1021112022012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102111202261) 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, 2219808721 + ... + 2219808766.

It is an arithmetic number, because the mean of its divisors is an integer number (26637704928).

Almost surely, 2102111202201 is an apocalyptic number.

It is an amenable number.

102111202201 is a deficient number, since it is larger than the sum of its proper divisors (4439617511).

102111202201 is an equidigital number, since it uses as much as digits as its factorization.

102111202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439617510.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102111202201 its reverse (102202111201), we get a palindrome (204313313402).

The spelling of 102111202201 in words is "one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred one".

Divisors: 1 23 4439617487 102111202201