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11102202011021 = 1116721059286987
BaseRepresentation
bin1010000110001110111011…
…0011101001110110001101
31110022100201112202202210212
42201203232303221312031
52423344302203323041
635340140423212205
72224051626015122
oct241435663516615
943270645682725
1011102202011021
1135a0465668530
1212b3820ba7065
13626c191ba5a4
142a54c6c38749
15143bd8dab8eb
hexa18eece9d8d

11102202011021 has 16 divisors (see below), whose sum is σ = 12184638036480. Its totient is φ = 10031962972080.

The previous prime is 11102202011011. The next prime is 11102202011029. The reversal of 11102202011021 is 12011020220111.

It is a cyclic number.

It is not a de Polignac number, because 11102202011021 - 242 = 6704155499917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102202010987 and 11102202011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102202011029) 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, 38541890 + ... + 38828876.

It is an arithmetic number, because the mean of its divisors is an integer number (761539877280).

Almost surely, 211102202011021 is an apocalyptic number.

11102202011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11102202011021 is a deficient number, since it is larger than the sum of its proper divisors (1082436025459).

11102202011021 is a wasteful number, since it uses less digits than its factorization.

11102202011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308224.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102202011021 its reverse (12011020220111), we get a palindrome (23113222231132).

The spelling of 11102202011021 in words is "eleven trillion, one hundred two billion, two hundred two million, eleven thousand, twenty-one".

Divisors: 1 11 167 1837 21059 231649 286987 3156857 3516853 38685383 47926829 527195119 6043659233 66480251563 1009291091911 11102202011021