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22221112022201 = 163910971496491
BaseRepresentation
bin1010000110101110000010…
…11111010001010010111001
32220200022120111120220001102
411003113001133101102321
510403032314134202301
6115132123221101145
74452264604505051
oct503270137212271
986608514526042
1022221112022201
117097a14484854
1225aa7255577b5
13c52598a419b1
1456b716a62561
1528804e9b1b6b
hex1435c17d14b9

22221112022201 has 8 divisors (see below), whose sum is σ = 22357698227424. Its totient is φ = 22084528992480.

The previous prime is 22221112022189. The next prime is 22221112022261. The reversal of 22221112022201 is 10222021112222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22221112022201 - 214 = 22221112005817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22221112022261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14100566 + ... + 15597056.

It is an arithmetic number, because the mean of its divisors is an integer number (2794712278428).

Almost surely, 222221112022201 is an apocalyptic number.

It is an amenable number.

22221112022201 is a deficient number, since it is larger than the sum of its proper divisors (136586205223).

22221112022201 is a wasteful number, since it uses less digits than its factorization.

22221112022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587751.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221112022201 its reverse (10222021112222), we get a palindrome (32443133134423).

The spelling of 22221112022201 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand, two hundred one".

Divisors: 1 163 91097 1496491 14848811 243928033 136325840627 22221112022201