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22120120212001 = 7532831627129491
BaseRepresentation
bin1010000011110001111011…
…11010000101101000100001
32220022122220012200100222121
411001320331322011220201
510344404001233241001
6115013502024104241
74442061125335450
oct501707572055041
986278805610877
1022120120212001
1170590aa209aa9
12259303b605081
13c45bc2901a16
14566895dc6b97
152855dd6626a1
hex141e3de85a21

22120120212001 has 32 divisors (see below), whose sum is σ = 25864222399488. Its totient is φ = 18525096308160.

The previous prime is 22120120211963. The next prime is 22120120212013. The reversal of 22120120212001 is 10021202102122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22120120212001 - 27 = 22120120211873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120120212031) 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, 170758866 + ... + 170888356.

It is an arithmetic number, because the mean of its divisors is an integer number (808256949984).

Almost surely, 222120120212001 is an apocalyptic number.

It is an amenable number.

22120120212001 is a deficient number, since it is larger than the sum of its proper divisors (3744102187487).

22120120212001 is a wasteful number, since it uses less digits than its factorization.

22120120212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131461.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120120212001 its reverse (10021202102122), we get a palindrome (32141322314123).

The spelling of 22120120212001 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred twelve thousand, one".

Divisors: 1 7 53 283 371 1627 1981 11389 14999 86231 104993 129491 460441 603617 906437 3223087 6863023 24403373 36645953 48041161 170823611 210681857 256521671 1474772999 1942235509 11166138421 13595648563 59622965531 78162968947 417360758717 3160017173143 22120120212001