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122201120100 = 223521921438793
BaseRepresentation
bin111000111001111000…
…0010001110101100100
3102200102101222002122010
41301303300101311210
54000231441320400
6132045522034220
711554154245113
oct1616360216544
9380371862563
10122201120100
114790938a244
121b824aa8970
13b6a621b7b7
145cb37d5c7a
1532a3344450
hex1c73c11d64

122201120100 has 72 divisors (see below), whose sum is σ = 372177463840. Its totient is φ = 30871860480.

The previous prime is 122201120011. The next prime is 122201120147. The reversal of 122201120100 is 1021102221.

It is a super-2 number, since 2×1222011201002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10713697 + ... + 10725096.

Almost surely, 2122201120100 is an apocalyptic number.

122201120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201120100 is an abundant number, since it is smaller than the sum of its proper divisors (249976343740).

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

122201120100 is a wasteful number, since it uses less digits than its factorization.

122201120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21438829 (or 21438822 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122201120100 its reverse (1021102221), we get a palindrome (123222222321).

The spelling of 122201120100 in words is "one hundred twenty-two billion, two hundred one million, one hundred twenty thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1140 1425 1900 2850 5700 21438793 42877586 64316379 85755172 107193965 128632758 214387930 257265516 321581895 407337067 428775860 535969825 643163790 814674134 1071939650 1222011201 1286327580 1607909475 1629348268 2036685335 2143879300 2444022402 3215818950 4073370670 4888044804 6110056005 6431637900 8146741340 10183426675 12220112010 20366853350 24440224020 30550280025 40733706700 61100560050 122201120100