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121122323020 = 22553031142017
BaseRepresentation
bin111000011001101110…
…0111111101001001100
3102120122020000112020201
41300303130333221030
53441024303314040
6131350503423244
711515344521116
oct1606334775114
9376566015221
10121122323020
1147405437006
121b583754b24
13b56388292a
145c104163b6
15323d79aa9a
hex1c3373fa4c

121122323020 has 24 divisors (see below), whose sum is σ = 254405065824. Its totient is φ = 48439750656.

The previous prime is 121122323017. The next prime is 121122323107. The reversal of 121122323020 is 20323221121.

It is a super-2 number, since 2×1211223230202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464949 + ... + 677068.

It is an arithmetic number, because the mean of its divisors is an integer number (10600211076).

Almost surely, 2121122323020 is an apocalyptic number.

121122323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122323020 is an abundant number, since it is smaller than the sum of its proper divisors (133282742804).

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

121122323020 is a wasteful number, since it uses less digits than its factorization.

121122323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147329 (or 1147327 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121122323020 its reverse (20323221121), we get a palindrome (141445544141).

The spelling of 121122323020 in words is "one hundred twenty-one billion, one hundred twenty-two million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 5303 10606 21212 26515 53030 106060 1142017 2284034 4568068 5710085 11420170 22840340 6056116151 12112232302 24224464604 30280580755 60561161510 121122323020