2010011001021 has 6 divisors (see below), whose sum is σ = 2903349223710. Its totient is φ = 1340007334008.

The previous prime is 2010011001007. The next prime is 2010011001023. The reversal of 2010011001021 is 1201001100102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2003909204025 + 6101796996 = 1415595^2 + 78114^2 .

It is not a de Polignac number, because 2010011001021 - 2⁵ = 2010011000989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 223334555669 = 2010011001021 / (2 + 0 + 1 + 0 + 0 + 1 + 1 + 0 + 0 + 1 + 0 + 2 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 2010011000994 and 2010011001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010011001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111667277826 + ... + 111667277843.

It is an arithmetic number, because the mean of its divisors is an integer number (483891537285).

Almost surely, 2^{2010011001021} is an apocalyptic number.

It is an amenable number.

2010011001021 is a deficient number, since it is larger than the sum of its proper divisors (893338222689).

2010011001021 is a wasteful number, since it uses less digits than its factorization.

2010011001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223334555675 (or 223334555672 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2010011001021 its reverse (1201001100102), we get a palindrome (3211012101123).

The spelling of 2010011001021 in words is "two trillion, ten billion, eleven million, one thousand, twenty-one".