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122110112222220 = 22352035168537037
BaseRepresentation
bin11011110000111011111001…
…110111001100110000001100
3121000100121112200012100020010
4123300323321313030300030
5112001123002212102340
61111412340000553220
734502110262141163
oct3360737167146014
9530317480170203
10122110112222220
11359a9675a44341
1211841911622810
135319c1b4c0905
1422222379963da
15e1b56e4e6b80
hex6f0ef9dccc0c

122110112222220 has 24 divisors (see below), whose sum is σ = 341908314222384. Its totient is φ = 32562696592576.

The previous prime is 122110112222213. The next prime is 122110112222227. The reversal of 122110112222220 is 22222211011221.

It is an interprime number because it is at equal distance from previous prime (122110112222213) and next prime (122110112222227).

It is not an unprimeable number, because it can be changed into a prime (122110112222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017584268459 + ... + 1017584268578.

It is an arithmetic number, because the mean of its divisors is an integer number (14246179759266).

Almost surely, 2122110112222220 is an apocalyptic number.

122110112222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122110112222220 is an abundant number, since it is smaller than the sum of its proper divisors (219798202000164).

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

122110112222220 is a wasteful number, since it uses less digits than its factorization.

122110112222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035168537049 (or 2035168537047 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122110112222220 its reverse (22222211011221), we get a palindrome (144332323233441).

The spelling of 122110112222220 in words is "one hundred twenty-two trillion, one hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2035168537037 4070337074074 6105505611111 8140674148148 10175842685185 12211011222222 20351685370370 24422022444444 30527528055555 40703370740740 61055056111110 122110112222220