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121333002220 = 22554111213771
BaseRepresentation
bin111000100000000000…
…0101010111111101100
3102121011220110010210001
41301000000222333230
53441442222032340
6131423431154044
711523513334153
oct1610000527754
9377156403701
10121333002220
1147503353451
121b622215924
13b598408991
145c303b859a
15325201429a
hex1c4002afec

121333002220 has 24 divisors (see below), whose sum is σ = 255270305808. Its totient is φ = 48443486400.

The previous prime is 121333002211. The next prime is 121333002251. The reversal of 121333002220 is 22200333121.

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, 5596066 + ... + 5617705.

It is an arithmetic number, because the mean of its divisors is an integer number (10636262742).

Almost surely, 2121333002220 is an apocalyptic number.

121333002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333002220 is an abundant number, since it is smaller than the sum of its proper divisors (133937303588).

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

121333002220 is a wasteful number, since it uses less digits than its factorization.

121333002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214321 (or 11214319 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121333002220 its reverse (22200333121), we get a palindrome (143533335341).

The spelling of 121333002220 in words is "one hundred twenty-one billion, three hundred thirty-three million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 541 1082 2164 2705 5410 10820 11213771 22427542 44855084 56068855 112137710 224275420 6066650111 12133300222 24266600444 30333250555 60666501110 121333002220