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121220001111122 = 210717922913818853
BaseRepresentation
bin11011100011111110111011…
…000110110001110001010010
3120220012112000022002212100022
4123203332323012301301102
5111342032030241023442
61105451411050423442
734350566426422424
oct3343767306616122
9526175008085308
10121220001111122
1135696128479101
12117192b9131b82
135283cc66bac74
1421d1117a8c814
15e0332522b3d2
hex6e3fbb1b1c52

121220001111122 has 32 divisors (see below), whose sum is σ = 185360580014400. Its totient is φ = 59447374694208.

The previous prime is 121220001111043. The next prime is 121220001111151. The reversal of 121220001111122 is 221111100022121.

It is a self number, because there is not a number n which added to its sum of digits gives 121220001111122.

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, 1862648 + ... + 15681500.

It is an arithmetic number, because the mean of its divisors is an integer number (5792518125450).

Almost surely, 2121220001111122 is an apocalyptic number.

121220001111122 is a deficient number, since it is larger than the sum of its proper divisors (64140578903278).

121220001111122 is a wasteful number, since it uses less digits than its factorization.

121220001111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13819370.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121220001111122 its reverse (221111100022121), we get a palindrome (342331101133243).

The spelling of 121220001111122 in words is "one hundred twenty-one trillion, two hundred twenty billion, one million, one hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 107 179 214 229 358 458 19153 24503 38306 40991 49006 81982 4386037 8772074 13818853 27637706 1478617271 2473574687 2957234542 3164517337 4947149374 6329034674 264672491509 338603355059 529344983018 566448603323 677206710118 1132897206646 60610000555561 121220001111122