2011001002028 has 12 divisors (see below), whose sum is σ = 3519269508552. Its totient is φ = 1005495428160.

The previous prime is 2011001002027. The next prime is 2011001002063. The reversal of 2011001002028 is 8202001001102.

It is a happy number.

It is a super-2 number, since 2×2011001002028² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011001001997 and 2011001002015.

It is not an unprimeable number, because it can be changed into a prime (2011001002027) 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, 292925 + ... + 2026772.

It is an arithmetic number, because the mean of its divisors is an integer number (293272459046).

Almost surely, 2^{2011001002028} is an apocalyptic number.

It is an amenable number.

2011001002028 is a deficient number, since it is larger than the sum of its proper divisors (1508268506524).

2011001002028 is a wasteful number, since it uses less digits than its factorization.

2011001002028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536432 (or 2536430 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 2011001002028 in words is "two trillion, eleven billion, one million, two thousand, twenty-eight".