2001125355110 has 128 divisors (see below), whose sum is σ = 4414198947840. Its totient is φ = 638407526400.

The previous prime is 2001125354983. The next prime is 2001125355121. The reversal of 2001125355110 is 115535211002.

It is a super-2 number, since 2×2001125355110² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001125355110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15100157 + ... + 15232103.

It is an arithmetic number, because the mean of its divisors is an integer number (34485929280).

Almost surely, 2^{2001125355110} is an apocalyptic number.

2001125355110 is an abundant number, since it is smaller than the sum of its proper divisors (2413073592730).

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

2001125355110 is a wasteful number, since it uses less digits than its factorization.

2001125355110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132262.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 2001125355110 in words is "two trillion, one billion, one hundred twenty-five million, three hundred fifty-five thousand, one hundred ten".