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22301120001221 = 1913922343378731
BaseRepresentation
bin1010001001000011000100…
…10101011111010011000101
32220221222002101201100012122
411010201202111133103011
510410340143210014341
6115232554301455325
74461126354221105
oct504414225372305
986858071640178
1022301120001221
117118940940666
122602133b71545
13c59ca970b509
145715468b7205
1528a183a0994b
hex14486255f4c5

22301120001221 has 32 divisors (see below), whose sum is σ = 23757969715200. Its totient is φ = 20874115549440.

The previous prime is 22301120001179. The next prime is 22301120001227. The reversal of 22301120001221 is 12210002110322.

It is a cyclic number.

It is not a de Polignac number, because 22301120001221 - 222 = 22301115806917 is a prime.

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 22301120001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301120001227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554241426 + ... + 2554250156.

It is an arithmetic number, because the mean of its divisors is an integer number (742436553600).

Almost surely, 222301120001221 is an apocalyptic number.

It is an amenable number.

22301120001221 is a deficient number, since it is larger than the sum of its proper divisors (1456849713979).

22301120001221 is a wasteful number, since it uses less digits than its factorization.

22301120001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22301120001221 its reverse (12210002110322), we get a palindrome (34511122111543).

The spelling of 22301120001221 in words is "twenty-two trillion, three hundred one billion, one hundred twenty million, one thousand, two hundred twenty-one".

Divisors: 1 19 139 223 2641 4237 4337 8731 30997 82403 165889 588943 602843 967151 1213609 1947013 11454017 18375869 23058571 36993247 37866347 134433989 270634807 719460593 2554245791 5142061333 5263422233 8444195381 100005022427 160439712239 1173743157959 22301120001221