Search a number
-
+
101122210221212 = 22197912774407557
BaseRepresentation
bin10110111111100001011001…
…011010110100110010011100
3111021001012002200211102210002
4112333201121122310302130
5101223241241304034322
6555022522502233432
730204560431503305
oct2677413132646234
9437035080742702
10101122210221212
112a247763468094
12b4121b3725878
134456a2549893b
141ad84abd3d7ac
15ba564a076c92
hex5bf8596b4c9c

101122210221212 has 12 divisors (see below), whose sum is σ = 177053288753880. Its totient is φ = 50535556291536.

The previous prime is 101122210221211. The next prime is 101122210221223. The reversal of 101122210221212 is 212122012221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122210221211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6387195863 + ... + 6387211694.

It is an arithmetic number, because the mean of its divisors is an integer number (14754440729490).

Almost surely, 2101122210221212 is an apocalyptic number.

It is an amenable number.

101122210221212 is a deficient number, since it is larger than the sum of its proper divisors (75931078532668).

101122210221212 is a wasteful number, since it uses less digits than its factorization.

101122210221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774409540 (or 12774409538 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101122210221212 its reverse (212122012221101), we get a palindrome (313244222442313).

The spelling of 101122210221212 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 1979 3958 7916 12774407557 25548815114 51097630228 25280552555303 50561105110606 101122210221212