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1220022020211 = 32635857264007
BaseRepresentation
bin10001110000001110111…
…110101010100001110011
311022122002102200010021120
4101300032332222201303
5124442101114121321
62332245333553323
7154100166031551
oct21601676524163
94278072603246
101220022020211
11430454696235
12178546aa5843
138b080702447
1443099702bd1
1521b07855ec6
hex11c0efaa873

1220022020211 has 16 divisors (see below), whose sum is σ = 1633166160384. Its totient is φ = 810114027264.

The previous prime is 1220022020183. The next prime is 1220022020219. The reversal of 1220022020211 is 1120202200221.

It is not a de Polignac number, because 1220022020211 - 27 = 1220022020083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220022020219) 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, 4489170 + ... + 4753176.

It is an arithmetic number, because the mean of its divisors is an integer number (102072885024).

Almost surely, 21220022020211 is an apocalyptic number.

1220022020211 is a deficient number, since it is larger than the sum of its proper divisors (413144140173).

1220022020211 is a wasteful number, since it uses less digits than its factorization.

1220022020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270130.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220022020211 its reverse (1120202200221), we get a palindrome (2340224220432).

The spelling of 1220022020211 in words is "one trillion, two hundred twenty billion, twenty-two million, twenty thousand, two hundred eleven".

Divisors: 1 3 263 789 5857 17571 264007 792021 1540391 4621173 69433841 208301523 1546288999 4638866997 406674006737 1220022020211