Search a number
-
+
210011121201 = 3728291172313
BaseRepresentation
bin1100001110010110100…
…0110110011000110001
3202002002000222100001010
43003211220312120301
511420100321334301
6240251111101133
721113162035200
oct3034550663061
9662060870033
10210011121201
1181079891792
12348503717a9
1316a5b40162b
14a2438db237
1556e22cc5d6
hex30e5a36631

210011121201 has 24 divisors (see below), whose sum is σ = 325772712864. Its totient is φ = 119991184320.

The previous prime is 210011121179. The next prime is 210011121227. The reversal of 210011121201 is 102121110012.

It is not a de Polignac number, because 210011121201 - 213 = 210011113009 is a prime.

It is a super-2 number, since 2×2100111212012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210011121251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1132621 + ... + 1304933.

It is an arithmetic number, because the mean of its divisors is an integer number (13573863036).

Almost surely, 2210011121201 is an apocalyptic number.

210011121201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210011121201 is a deficient number, since it is larger than the sum of its proper divisors (115761591663).

210011121201 is a wasteful number, since it uses less digits than its factorization.

210011121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180621 (or 180614 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210011121201 its reverse (102121110012), we get a palindrome (312132231213).

The spelling of 210011121201 in words is "two hundred ten billion, eleven million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 3 7 21 49 147 8291 24873 58037 172313 174111 406259 516939 1206191 1218777 3618573 8443337 25330011 1428647083 4285941249 10000529581 30001588743 70003707067 210011121201