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BaseRepresentation
bin1010000111010100111111…
…1011000110011010111010
31110101011021101121200220000
42201311033323012122322
52424201312333102302
635352531054013430
72225316011456400
oct241651773063272
943334241550800
1011121011222202
1135a8437a02262
1212b73b01a7276
13628925c7754b
142a638cd0b470
1514443a30b31c
hexa1d4fec66ba

11121011222202 has 120 divisors (see below), whose sum is σ = 29274770184660. Its totient is φ = 3145971830400.

The previous prime is 11121011222201. The next prime is 11121011222239. The reversal of 11121011222202 is 20222211012111.

11121011222202 is a `hidden beast` number, since 111 + 210 + 1 + 122 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9383494436001 + 1737516786201 = 3063249^2 + 1318149^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11121011222201) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6133827 + ... + 7737302.

Almost surely, 211121011222202 is an apocalyptic number.

11121011222202 is an abundant number, since it is smaller than the sum of its proper divisors (18153758962458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121011222202 is a wasteful number, since it uses less digits than its factorization.

11121011222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871258 (or 13871242 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11121011222202 its reverse (20222211012111), we get a palindrome (31343222234313).

The spelling of 11121011222202 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred two".