11222121030 has 16 divisors (see below), whose sum is σ = 26933090544. Its totient is φ = 2992565600.

The previous prime is 11222121023. The next prime is 11222121047. The reversal of 11222121030 is 3012122211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187035321 + ... + 187035380.

It is an arithmetic number, because the mean of its divisors is an integer number (1683318159).

Almost surely, 2^11222121030 is an apocalyptic number.

11222121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222121030 is an abundant number, since it is smaller than the sum of its proper divisors (15710969514).

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

11222121030 is a wasteful number, since it uses less digits than its factorization.

11222121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374070711.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11222121030 its reverse (3012122211), we get a palindrome (14234243241).

The spelling of 11222121030 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-one thousand, thirty".