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121010210220122 = 21918341173626259
BaseRepresentation
bin11011100000111011100010…
…100110000010100001011010
3120212110110111121112101100022
4123200323202212002201122
5111330112402304020442
61105211153443510442
734326461550316616
oct3340734246024132
9525413447471308
10121010210220122
1135615161a37653
12116a470a688422
13526a2a1b07a82
1421c4cd551c346
15decb474523d2
hex6e0ee298285a

121010210220122 has 16 divisors (see below), whose sum is σ = 191079171655200. Its totient is φ = 57317500290960.

The previous prime is 121010210220047. The next prime is 121010210220143. The reversal of 121010210220122 is 221022012010121.

It is a self number, because there is not a number n which added to its sum of digits gives 121010210220122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86116172 + ... + 87510087.

It is an arithmetic number, because the mean of its divisors is an integer number (11942448228450).

Almost surely, 2121010210220122 is an apocalyptic number.

121010210220122 is a deficient number, since it is larger than the sum of its proper divisors (70068961435078).

121010210220122 is a wasteful number, since it uses less digits than its factorization.

121010210220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173644621.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121010210220122 its reverse (221022012010121), we get a palindrome (342032222230243).

The spelling of 121010210220122 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 19 38 18341 36682 348479 696958 173626259 347252518 3298898921 6597797842 3184479216319 6368958432638 60505105110061 121010210220122