Search a number
-
+
22012101202211 = 172373771190877
BaseRepresentation
bin1010000000101000101110…
…11110010001000100100011
32212221100002011212010022022
411000110113132101010203
510341121240401432321
6114452115241532055
74431215250033611
oct500242736210443
985840064763268
1022012101202211
11701730930218a
1225761141a402b
13c38969954693
14561569d506b1
152828ba424dab
hex140517791123

22012101202211 has 16 divisors (see below), whose sum is σ = 24653429987904. Its totient is φ = 19545061561344.

The previous prime is 22012101202159. The next prime is 22012101202249. The reversal of 22012101202211 is 11220210121022.

It is a cyclic number.

It is not a de Polignac number, because 22012101202211 - 226 = 22012034093347 is a prime.

It is a super-2 number, since 2×220121012022112 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012101202211.

It is not an unprimeable number, because it can be changed into a prime (22012103202211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385566896 + ... + 385623981.

It is an arithmetic number, because the mean of its divisors is an integer number (1540839374244).

Almost surely, 222012101202211 is an apocalyptic number.

22012101202211 is a deficient number, since it is larger than the sum of its proper divisors (2641328785693).

22012101202211 is a wasteful number, since it uses less digits than its factorization.

22012101202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771190990.

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

Adding to 22012101202211 its reverse (11220210121022), we get a palindrome (33232311323233).

The spelling of 22012101202211 in words is "twenty-two trillion, twelve billion, one hundred one million, two hundred two thousand, two hundred eleven".

Divisors: 1 17 23 73 391 1241 1679 28543 771190877 13110244909 17737390171 56296934021 301535632907 957047878357 1294829482483 22012101202211