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1222102111011 = 32384711708247
BaseRepresentation
bin10001110010001010111…
…101100101001100100011
311022211110101201200102120
4101302022331211030203
5130010331120023021
62333232001315323
7154202554355325
oct21621275451443
94284411650376
101222102111011
11431321866241
12178a27635b43
138b32263c2c2
1443215a89615
1521bca2892c6
hex11c8af65323

1222102111011 has 8 divisors (see below), whose sum is σ = 1629477268224. Its totient is φ = 814730847240.

The previous prime is 1222102110997. The next prime is 1222102111049. The reversal of 1222102111011 is 1101112012221.

It is a happy number.

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

It is not a de Polignac number, because 1222102111011 - 29 = 1222102110499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222102111051) 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, 138711 + ... + 1569536.

It is an arithmetic number, because the mean of its divisors is an integer number (203684658528).

Almost surely, 21222102111011 is an apocalyptic number.

1222102111011 is a deficient number, since it is larger than the sum of its proper divisors (407375157213).

1222102111011 is a wasteful number, since it uses less digits than its factorization.

1222102111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946721.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1222102111011 its reverse (1101112012221), we get a palindrome (2323214123232).

The spelling of 1222102111011 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, eleven".

Divisors: 1 3 238471 715413 1708247 5124741 407367370337 1222102111011