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122210221221102 = 23720795313992427
BaseRepresentation
bin11011110010011001001000…
…110100101110010011101110
3121000201011221102221101211110
4123302121020310232103232
5112004243013113033402
61111530333420132450
734512253131451530
oct3362311064562356
9530634842841743
10122210221221102
1135a38077957963
12118591ab997126
1353264b3774b21
1422270132ab850
15e1de7d0b256c
hex6f2648d2e4ee

122210221221102 has 32 divisors (see below), whose sum is σ = 279339011741952. Its totient is φ = 34917035658624.

The previous prime is 122210221221041. The next prime is 122210221221107. The reversal of 122210221221102 is 201122122012221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210221221107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737813 + ... + 15730239.

It is an arithmetic number, because the mean of its divisors is an integer number (8729344116936).

Almost surely, 2122210221221102 is an apocalyptic number.

122210221221102 is an abundant number, since it is smaller than the sum of its proper divisors (157128790520850).

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

122210221221102 is a wasteful number, since it uses less digits than its factorization.

122210221221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200392.

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

Adding to 122210221221102 its reverse (201122122012221), we get a palindrome (323332343233323).

The spelling of 122210221221102 in words is "one hundred twenty-two trillion, two hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 207953 415906 623859 1247718 1455671 2911342 4367013 8734026 13992427 27984854 41977281 83954562 97946989 195893978 293840967 587681934 2909767171931 5819534343862 8729301515793 17458603031586 20368370203517 40736740407034 61105110610551 122210221221102