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122021110002 = 231110118304997
BaseRepresentation
bin111000110100100000…
…1100110000011110010
3102122221212020122012110
41301221001212003302
53444344401010002
6132020011510150
711546540215251
oct1615101460362
9378855218173
10122021110002
114782680aa70
121b794758356
13b677b4314c
145c97938798
153292637e6c
hex1c690660f2

122021110002 has 32 divisors (see below), whose sum is σ = 268863810624. Its totient is φ = 36609992000.

The previous prime is 122021109941. The next prime is 122021110031. The reversal of 122021110002 is 200011120221.

It is a super-2 number, since 2×1220211100022 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122021110002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9145833 + ... + 9159164.

It is an arithmetic number, because the mean of its divisors is an integer number (8401994082).

Almost surely, 2122021110002 is an apocalyptic number.

122021110002 is an abundant number, since it is smaller than the sum of its proper divisors (146842700622).

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

122021110002 is a wasteful number, since it uses less digits than its factorization.

122021110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305114.

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

Adding to 122021110002 its reverse (200011120221), we get a palindrome (322032230223).

The spelling of 122021110002 in words is "one hundred twenty-two billion, twenty-one million, one hundred ten thousand, two".

Divisors: 1 2 3 6 11 22 33 66 101 202 303 606 1111 2222 3333 6666 18304997 36609994 54914991 109829982 201354967 402709934 604064901 1208129802 1848804697 3697609394 5546414091 11092828182 20336851667 40673703334 61010555001 122021110002