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211001111022 = 23132705142449
BaseRepresentation
bin1100010010000010100…
…1010111000111101110
3202011122000211000202210
43010200221113013232
511424112241023042
6240533234031250
721146542564662
oct3044051270756
9664560730683
10211001111022
1181537698799
1234a87a18526
1316b88545420
14a2d91a08a2
15574e182a9c
hex3120a571ee

211001111022 has 16 divisors (see below), whose sum is σ = 454463931600. Its totient is φ = 64923418752.

The previous prime is 211001110967. The next prime is 211001111053. The reversal of 211001111022 is 220111100112.

It is a junction number, because it is equal to n+sod(n) for n = 211001110989 and 211001111007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352571147 + ... + 1352571302.

It is an arithmetic number, because the mean of its divisors is an integer number (28403995725).

Almost surely, 2211001111022 is an apocalyptic number.

211001111022 is an abundant number, since it is smaller than the sum of its proper divisors (243462820578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211001111022 is a wasteful number, since it uses less digits than its factorization.

211001111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705142467.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211001111022 its reverse (220111100112), we get a palindrome (431112211134).

The spelling of 211001111022 in words is "two hundred eleven billion, one million, one hundred eleven thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 2705142449 5410284898 8115427347 16230854694 35166851837 70333703674 105500555511 211001111022