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101200211111021 = 1123427139270841
BaseRepresentation
bin10111000000101010000010…
…101000100110110001101101
3111021022122102201021012010212
4113000222002220212301231
5101231031013021023041
6555122422444112205
730213321400230311
oct2700520250466155
9437278381235125
10101200211111021
112a27784a985090
12b425341b35665
1344611a63a83c9
141adc18b3b1b41
15ba76b2cab8eb
hex5c0a82a26c6d

101200211111021 has 8 divisors (see below), whose sum is σ = 110400704364288. Its totient is φ = 91999796868000.

The previous prime is 101200211111003. The next prime is 101200211111063. The reversal of 101200211111021 is 120111112002101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101200211111021 - 214 = 101200211094637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101200211110987 and 101200211111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200211111081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17058440 + ... + 22212401.

It is an arithmetic number, because the mean of its divisors is an integer number (13800088045536).

Almost surely, 2101200211111021 is an apocalyptic number.

101200211111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101200211111021 is a deficient number, since it is larger than the sum of its proper divisors (9200493253267).

101200211111021 is a wasteful number, since it uses less digits than its factorization.

101200211111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39505123.

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

Adding to 101200211111021 its reverse (120111112002101), we get a palindrome (221311323113122).

The spelling of 101200211111021 in words is "one hundred one trillion, two hundred billion, two hundred eleven million, one hundred eleven thousand, twenty-one".

Divisors: 1 11 234271 2576981 39270841 431979251 9200019191911 101200211111021