Search a number
-
+
10101222011212 = 22191013131205149
BaseRepresentation
bin1001001011111101111110…
…1111111111000101001100
31022202200000112022012022121
42102333133233333011030
52310444300313324322
633252234244022324
72061534461264563
oct222773757770514
938680015265277
1010101222011212
1132449a453a242
1211718269919a4
13583705b98107
1426cc8a5acbda
15127b515b4ec7
hex92fdfbff14c

10101222011212 has 24 divisors (see below), whose sum is σ = 18625883094000. Its totient is φ = 4780065951936.

The previous prime is 10101222011191. The next prime is 10101222011291. The reversal of 10101222011212 is 21211022210101.

It is a super-2 number, since 2×101012220112122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65525587 + ... + 65679562.

It is an arithmetic number, because the mean of its divisors is an integer number (776078462250).

Almost surely, 210101222011212 is an apocalyptic number.

It is an amenable number.

10101222011212 is a deficient number, since it is larger than the sum of its proper divisors (8524661082788).

10101222011212 is a wasteful number, since it uses less digits than its factorization.

10101222011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131206185 (or 131206183 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10101222011212 its reverse (21211022210101), we get a palindrome (31312244221313).

The spelling of 10101222011212 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 1013 2026 4052 19247 38494 76988 131205149 262410298 524820596 2492897831 4985795662 9971591324 132910815937 265821631874 531643263748 2525305502803 5050611005606 10101222011212