1011111231030 has 16 divisors (see below), whose sum is σ = 2426666954544. Its totient is φ = 269629661600.

The previous prime is 1011111231023. The next prime is 1011111231037. The reversal of 1011111231030 is 301321111101.

It is an interprime number because it is at equal distance from previous prime (1011111231023) and next prime (1011111231037).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011111231037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16851853821 + ... + 16851853880.

It is an arithmetic number, because the mean of its divisors is an integer number (151666684659).

Almost surely, 2^{1011111231030} is an apocalyptic number.

1011111231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011111231030 is an abundant number, since it is smaller than the sum of its proper divisors (1415555723514).

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

1011111231030 is a wasteful number, since it uses less digits than its factorization.

1011111231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703707711.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1011111231030 its reverse (301321111101), we get a palindrome (1312432342131).

The spelling of 1011111231030 in words is "one trillion, eleven billion, one hundred eleven million, two hundred thirty-one thousand, thirty".