20101111331330 has 8 divisors (see below), whose sum is σ = 36182000396412. Its totient is φ = 8040444532528.

The previous prime is 20101111331317. The next prime is 20101111331341. The reversal of 20101111331330 is 3313311110102.

It can be written as a sum of positive squares in 2 ways, for example, as 18751766569561 + 1349344761769 = 4330331^2 + 1161613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005055566557 + ... + 1005055566576.

Almost surely, 2^{20101111331330} is an apocalyptic number.

20101111331330 is a deficient number, since it is larger than the sum of its proper divisors (16080889065082).

20101111331330 is a wasteful number, since it uses less digits than its factorization.

20101111331330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010111133140.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 20101111331330 its reverse (3313311110102), we get a palindrome (23414422441432).

The spelling of 20101111331330 in words is "twenty trillion, one hundred one billion, one hundred eleven million, three hundred thirty-one thousand, three hundred thirty".