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10222112021 = 113972340763
BaseRepresentation
bin10011000010100100…
…10000110100010101
3222101101201002112112
421201102100310111
5131413330041041
64410155200405
7511212342602
oct114122206425
928341632475
1010222112021
114376130070
121b93446105
13c6ba172c4
146cd85d6a9
153ec633deb
hex261490d15

10222112021 has 8 divisors (see below), whose sum is σ = 11179488864. Its totient is φ = 9269417520.

The previous prime is 10222112011. The next prime is 10222112029. The reversal of 10222112021 is 12021122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-10222112021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10222111987 and 10222112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1166015 + ... + 1174748.

It is an arithmetic number, because the mean of its divisors is an integer number (1397436108).

Almost surely, 210222112021 is an apocalyptic number.

10222112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10222112021 is a deficient number, since it is larger than the sum of its proper divisors (957376843).

10222112021 is a wasteful number, since it uses less digits than its factorization.

10222112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341171.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10222112021 its reverse (12021122201), we get a palindrome (22243234222).

The spelling of 10222112021 in words is "ten billion, two hundred twenty-two million, one hundred twelve thousand, twenty-one".

Divisors: 1 11 397 4367 2340763 25748393 929282911 10222112021