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202112252211211 = 10319322345592483
BaseRepresentation
bin101101111101000111101100…
…111111110111000000001011
3222111121202001100211001212121
4231331013230333313000023
5202442401343031224321
61553505030432552111
760400062011006506
oct5575075477670013
9874552040731777
10202112252211211
1159443363354921
121a8028603b2637
1388a11468024b4
1437ca3dc84613d
15185760bc46441
hexb7d1ecff700b

202112252211211 has 16 divisors (see below), whose sum is σ = 206051766409216. Its totient is φ = 198220063182336.

The previous prime is 202112252211203. The next prime is 202112252211217. The reversal of 202112252211211 is 112112252211202.

It is a cyclic number.

It is not a de Polignac number, because 202112252211211 - 23 = 202112252211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202112252211217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18363225 + ... + 27229258.

It is an arithmetic number, because the mean of its divisors is an integer number (12878235400576).

Almost surely, 2202112252211211 is an apocalyptic number.

202112252211211 is a deficient number, since it is larger than the sum of its proper divisors (3939514198005).

202112252211211 is a wasteful number, since it uses less digits than its factorization.

202112252211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45593002.

The product of its (nonzero) digits is 640, while the sum is 25.

Subtracting from 202112252211211 its reverse (112112252211202), we obtain a palindrome (90000000000009).

The spelling of 202112252211211 in words is "two hundred two trillion, one hundred twelve billion, two hundred fifty-two million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 103 193 223 19879 22969 43039 4433017 45592483 4696025749 8799349219 10167123709 906332969557 1047213742027 1962254875837 202112252211211