1011011221130 has 32 divisors (see below), whose sum is σ = 1826367426000. Its totient is φ = 402952015872.

The previous prime is 1011011221123. The next prime is 1011011221133. The reversal of 1011011221130 is 311221101101.

It can be written as a sum of positive squares in 8 ways, for example, as 786118076689 + 224893144441 = 886633^2 + 474229^2 .

It is not an unprimeable number, because it can be changed into a prime (1011011221133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137576 + ... + 3444764.

Almost surely, 2^{1011011221130} is an apocalyptic number.

1011011221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011011221130 is a deficient number, since it is larger than the sum of its proper divisors (815356204870).

1011011221130 is a wasteful number, since it uses less digits than its factorization.

1011011221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308378.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1011011221130 its reverse (311221101101), we get a palindrome (1322232322231).

It can be divided in two parts, 101101 and 1221130, that added together give a palindrome (1322231).

The spelling of 1011011221130 in words is "one trillion, eleven billion, eleven million, two hundred twenty-one thousand, one hundred thirty".