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922020120121 = 1980146564321
BaseRepresentation
bin11010110101011001010…
…11101000011000111001
310021010220011112002022211
431122230223220120321
5110101244122320441
61543323055015121
7123420342465322
oct15325453503071
93233804462284
10922020120121
11326032358a81
1212a83a80a4a1
1368c3b834099
14328a9ac3449
1518eb57d1a81
hexd6acae8639

922020120121 has 4 divisors (see below), whose sum is σ = 922066704244. Its totient is φ = 921973536000.

The previous prime is 922020120097. The next prime is 922020120127. The reversal of 922020120121 is 121021020229.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222562215225 + 699457904896 = 471765^2 + 836336^2 .

It is a cyclic number.

It is not a de Polignac number, because 922020120121 - 217 = 922019989049 is a prime.

It is a super-2 number, since 2×9220201201212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 922020120092 and 922020120101.

It is not an unprimeable number, because it can be changed into a prime (922020120127) 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, 23262360 + ... + 23301961.

It is an arithmetic number, because the mean of its divisors is an integer number (230516676061).

Almost surely, 2922020120121 is an apocalyptic number.

It is an amenable number.

922020120121 is a deficient number, since it is larger than the sum of its proper divisors (46584123).

922020120121 is a wasteful number, since it uses less digits than its factorization.

922020120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46584122.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 922020120121 in words is "nine hundred twenty-two billion, twenty million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 19801 46564321 922020120121