2001120111010 has 8 divisors (see below), whose sum is σ = 3602016199836. Its totient is φ = 800448044400.

The previous prime is 2001120111007. The next prime is 2001120111013. The reversal of 2001120111010 is 101110211002.

It is an interprime number because it is at equal distance from previous prime (2001120111007) and next prime (2001120111013).

It can be written as a sum of positive squares in 2 ways, for example, as 1879418904561 + 121701206449 = 1370919^2 + 348857^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 200112011101 = 2001120111010 / (2 + 0 + 0 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (2001120111013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100056005541 + ... + 100056005560.

Almost surely, 2^{2001120111010} is an apocalyptic number.

2001120111010 is a deficient number, since it is larger than the sum of its proper divisors (1600896088826).

2001120111010 is a wasteful number, since it uses less digits than its factorization.

2001120111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200112011108.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2001120111010 its reverse (101110211002), we get a palindrome (2102230322012).

The spelling of 2001120111010 in words is "two trillion, one billion, one hundred twenty million, one hundred eleven thousand, ten".