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1020222222011 = 1725366607183
BaseRepresentation
bin11101101100010011111…
…10111010111010111011
310121112101001002202000122
432312021332322322323
5113203403342101021
62100403354523455
7133465025542346
oct16661176727273
93545331082018
101020222222011
11363745935673
1214588643658b
137528ba0b395
143754405745d
151b811c7abab
hexed89fbaebb

1020222222011 has 12 divisors (see below), whose sum is σ = 1104213896352. Its totient is φ = 942091982208.

The previous prime is 1020222222001. The next prime is 1020222222077. The reversal of 1020222222011 is 1102222220201.

It is a happy number.

It is not a de Polignac number, because 1020222222011 - 222 = 1020218027707 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020222222001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33288275 + ... + 33318908.

It is an arithmetic number, because the mean of its divisors is an integer number (92017824696).

Almost surely, 21020222222011 is an apocalyptic number.

1020222222011 is a deficient number, since it is larger than the sum of its proper divisors (83991674341).

1020222222011 is an equidigital number, since it uses as much as digits as its factorization.

1020222222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66607270 (or 66607253 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020222222011 its reverse (1102222220201), we get a palindrome (2122444442212).

The spelling of 1020222222011 in words is "one trillion, twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".

Divisors: 1 17 53 289 901 15317 66607183 1132322111 3530180699 19249475887 60013071883 1020222222011