11121231030 has 64 divisors (see below), whose sum is σ = 32850413568. Its totient is φ = 2346456960.

The previous prime is 11121230977. The next prime is 11121231049. The reversal of 11121231030 is 3013212111.

It is a happy number.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034126 + ... + 2039585.

It is an arithmetic number, because the mean of its divisors is an integer number (513287712).

Almost surely, 2^11121231030 is an apocalyptic number.

11121231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121231030 is an abundant number, since it is smaller than the sum of its proper divisors (21729182538).

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

11121231030 is a wasteful number, since it uses less digits than its factorization.

11121231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073741.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11121231030 its reverse (3013212111), we get a palindrome (14134443141).

The spelling of 11121231030 in words is "eleven billion, one hundred twenty-one million, two hundred thirty-one thousand, thirty".