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11101212102 = 231850202017
BaseRepresentation
bin10100101011010111…
…10000110111000110
31001122122220000010210
422111223300313012
5140213402241402
65033321300250
7542045513601
oct122553606706
931578800123
1011101212102
114787387a62
122199934686
13107bba3a76
147744d9338
1544e8d306c
hex295af0dc6

11101212102 has 8 divisors (see below), whose sum is σ = 22202424216. Its totient is φ = 3700404032.

The previous prime is 11101212097. The next prime is 11101212103. The reversal of 11101212102 is 20121210111.

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

11101212102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101212103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925101003 + ... + 925101014.

It is an arithmetic number, because the mean of its divisors is an integer number (2775303027).

Almost surely, 211101212102 is an apocalyptic number.

11101212102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11101212102 is a wasteful number, since it uses less digits than its factorization.

11101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850202022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11101212102 its reverse (20121210111), we get a palindrome (31222422213).

The spelling of 11101212102 in words is "eleven billion, one hundred one million, two hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 1850202017 3700404034 5550606051 11101212102