1000021202011 has 24 divisors (see below), whose sum is σ = 1104540917760. Its totient is φ = 904792333536.

The previous prime is 1000021201889. The next prime is 1000021202111. The reversal of 1000021202011 is 1102021200001.

It is not a de Polignac number, because 1000021202011 - 2²⁵ = 999987647579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000021202111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1500750 + ... + 2062108.

It is an arithmetic number, because the mean of its divisors is an integer number (46022538240).

Almost surely, 2^{1000021202011} is an apocalyptic number.

1000021202011 is a deficient number, since it is larger than the sum of its proper divisors (104519715749).

1000021202011 is a wasteful number, since it uses less digits than its factorization.

1000021202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561595 (or 561582 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000021202011 its reverse (1102021200001), we get a palindrome (2102042402012).

The spelling of 1000021202011 in words is "one trillion, twenty-one million, two hundred two thousand, eleven".