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10121120122021 = 54181912283991
BaseRepresentation
bin1001001101001000000111…
…0001010000010010100101
31022211120101021002221212121
42103102001301100102211
52311311023222401041
633305324533345541
72063140535400466
oct223220161202245
938746337087777
1010121120122021
1132523854a7417
12117565a7982b1
1358555741a38c
1426dc17130d6d
151284184067d1
hex93481c504a5

10121120122021 has 8 divisors (see below), whose sum is σ = 10141070655488. Its totient is φ = 10101174174000.

The previous prime is 10121120122013. The next prime is 10121120122067. The reversal of 10121120122021 is 12022102112101.

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 10121120122021 - 23 = 10121120122013 is a prime.

It is a super-3 number, since 3×101211201220213 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121120121986 and 10121120122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121120122921) 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, 3289336 + ... + 5573326.

It is an arithmetic number, because the mean of its divisors is an integer number (1267633831936).

Almost surely, 210121120122021 is an apocalyptic number.

It is an amenable number.

10121120122021 is a deficient number, since it is larger than the sum of its proper divisors (19950533467).

10121120122021 is an equidigital number, since it uses as much as digits as its factorization.

10121120122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292723.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10121120122021 its reverse (12022102112101), we get a palindrome (22143222234122).

The spelling of 10121120122021 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 541 8191 2283991 4431331 1235639131 18708170281 10121120122021