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101222120221230 = 235971572232394157
BaseRepresentation
bin10111000000111110011100…
…100001001110101000101110
3111021101201222121010022021010
4113000332130201032220232
5101231410400234034410
6555140444452250050
730215025333466221
oct2700763441165056
9437351877108233
10101222120221230
112a286073011938
12b429637310926
134463288456448
141add2690535b8
15ba8046434c20
hex5c0f9c84ea2e

101222120221230 has 256 divisors, whose sum is σ = 249206522019840. Its totient is φ = 26308209328128.

The previous prime is 101222120221223. The next prime is 101222120221297. The reversal of 101222120221230 is 32122021222101.

It is a super-2 number, since 2×1012221202212302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101222120221197 and 101222120221206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24349798312 + ... + 24349802468.

It is an arithmetic number, because the mean of its divisors is an integer number (973462976640).

Almost surely, 2101222120221230 is an apocalyptic number.

101222120221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222120221230 is an abundant number, since it is smaller than the sum of its proper divisors (147984401798610).

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

101222120221230 is a wasteful number, since it uses less digits than its factorization.

101222120221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101222120221230 its reverse (32122021222101), we get a palindrome (133344141443331).

The spelling of 101222120221230 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirty".