Search a number
-
+
122121010102222 = 21311912440370291
BaseRepresentation
bin11011110001000110000011…
…011011010011111111001110
3121000101122200011111000011101
4123301012003123103333032
5112001312312041232342
61111421341220213314
734502644321452115
oct3361060333237716
9530348604430141
10122121010102222
1135a0325857293a
1211843a5323a23a
13531ac67211811
14222298d082c7c
15e1b9ab1133b7
hex6f11836d3fce

122121010102222 has 16 divisors (see below), whose sum is σ = 185546234041344. Its totient is φ = 60277146163000.

The previous prime is 122121010102211. The next prime is 122121010102283. The reversal of 122121010102222 is 222201010121221.

It is a super-2 number, since 2×1221210101022222 (a number of 29 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 122121010102222.

It is a congruent number.

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, 1220135104 + ... + 1220235187.

It is an arithmetic number, because the mean of its divisors is an integer number (11596639627584).

Almost surely, 2122121010102222 is an apocalyptic number.

122121010102222 is a deficient number, since it is larger than the sum of its proper divisors (63425223939122).

122121010102222 is a wasteful number, since it uses less digits than its factorization.

122121010102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440370615.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122121010102222 its reverse (222201010121221), we get a palindrome (344322020223443).

The spelling of 122121010102222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, ten million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 131 191 262 382 25021 50042 2440370291 4880740582 319688508121 466110725581 639377016242 932221451162 61060505051111 122121010102222