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121022230200020 = 2256051111510001
BaseRepresentation
bin11011100001000110101111…
…000010100111111011010100
3120212111121112022020121221222
4123201012233002213323110
5111330312011412400040
61105220502305425512
734330365453420032
oct3341065702477324
9525447468217858
10121022230200020
113561a26a9a5436
12116a6b0403b298
13526b469146806
1421c5715a5b552
15ded0ec81cbb5
hex6e11af0a7ed4

121022230200020 has 12 divisors (see below), whose sum is σ = 254146683420084. Its totient is φ = 48408892080000.

The previous prime is 121022230199989. The next prime is 121022230200037. The reversal of 121022230200020 is 20002032220121.

It can be written as a sum of positive squares in 2 ways, for example, as 45134506841284 + 75887723358736 = 6718222^2 + 8711356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025555754981 + ... + 3025555755020.

It is an arithmetic number, because the mean of its divisors is an integer number (21178890285007).

Almost surely, 2121022230200020 is an apocalyptic number.

121022230200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022230200020 is an abundant number, since it is smaller than the sum of its proper divisors (133124453220064).

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

121022230200020 is a wasteful number, since it uses less digits than its factorization.

121022230200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051111510010 (or 6051111510008 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121022230200020 its reverse (20002032220121), we get a palindrome (141024262420141).

The spelling of 121022230200020 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred thirty million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 6051111510001 12102223020002 24204446040004 30255557550005 60511115100010 121022230200020