2001311131210 has 16 divisors (see below), whose sum is σ = 3603603567816. Its totient is φ = 800248112128.

The previous prime is 2001311131207. The next prime is 2001311131223. The reversal of 2001311131210 is 121311131002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 930150300249 + 1071160830961 = 964443^2 + 1034969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34512127 + ... + 34570066.

Almost surely, 2^{2001311131210} is an apocalyptic number.

2001311131210 is a deficient number, since it is larger than the sum of its proper divisors (1602292436606).

2001311131210 is a wasteful number, since it uses less digits than its factorization.

2001311131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69085097.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2001311131210 its reverse (121311131002), we get a palindrome (2122622262212).

The spelling of 2001311131210 in words is "two trillion, one billion, three hundred eleven million, one hundred thirty-one thousand, two hundred ten".