2011021025104 has 40 divisors (see below), whose sum is σ = 4795511678720. Its totient is φ = 795568756608.

The previous prime is 2011021025059. The next prime is 2011021025107. The reversal of 2011021025104 is 4015201201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011021025107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690596424 + ... + 690599335.

It is an arithmetic number, because the mean of its divisors is an integer number (119887791968).

Almost surely, 2^{2011021025104} is an apocalyptic number.

It is an amenable number.

2011021025104 is an abundant number, since it is smaller than the sum of its proper divisors (2784490653616).

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

2011021025104 is a wasteful number, since it uses less digits than its factorization.

2011021025104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381195787 (or 1381195781 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 2011021025104 its reverse (4015201201102), we get a palindrome (6026222226206).

The spelling of 2011021025104 in words is "two trillion, eleven billion, twenty-one million, twenty-five thousand, one hundred four".