2001111212010 has 64 divisors (see below), whose sum is σ = 4808161958400. Its totient is φ = 533019465792.

The previous prime is 2001111211999. The next prime is 2001111212039. The reversal of 2001111212010 is 102121111002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103209537 + ... + 103228923.

It is an arithmetic number, because the mean of its divisors is an integer number (75127530600).

Almost surely, 2^{2001111212010} is an apocalyptic number.

2001111212010 is an abundant number, since it is smaller than the sum of its proper divisors (2807050746390).

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

2001111212010 is a wasteful number, since it uses less digits than its factorization.

2001111212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001111212010 its reverse (102121111002), we get a palindrome (2103232323012).

The spelling of 2001111212010 in words is "two trillion, one billion, one hundred eleven million, two hundred twelve thousand, ten".