1111222122010 has 96 divisors (see below), whose sum is σ = 2733539985792. Its totient is φ = 319712238720.

The previous prime is 1111222121987. The next prime is 1111222122011. The reversal of 1111222122010 is 102212221111.

It is not an unprimeable number, because it can be changed into a prime (1111222122011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7859302 + ... + 7999441.

It is an arithmetic number, because the mean of its divisors is an integer number (28474374852).

Almost surely, 2^{1111222122010} is an apocalyptic number.

1111222122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111222122010 is an abundant number, since it is smaller than the sum of its proper divisors (1622317863782).

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

1111222122010 is a wasteful number, since it uses less digits than its factorization.

1111222122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15858788 (or 15858781 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111222122010 its reverse (102212221111), we get a palindrome (1213434343121).

It can be divided in two parts, 11112 and 22122010, that added together give a palindrome (22133122).

The spelling of 1111222122010 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, ten".