1021202002011 has 32 divisors (see below), whose sum is σ = 1380566873088. Its totient is φ = 671377190400.

The previous prime is 1021202002001. The next prime is 1021202002039. The reversal of 1021202002011 is 1102002021201.

It is not a de Polignac number, because 1021202002011 - 2⁹ = 1021202001499 is a prime.

It is a super-2 number, since 2×1021202002011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021202002001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112623900 + ... + 112632966.

It is an arithmetic number, because the mean of its divisors is an integer number (43142714784).

Almost surely, 2^{1021202002011} is an apocalyptic number.

1021202002011 is a deficient number, since it is larger than the sum of its proper divisors (359364871077).

1021202002011 is a wasteful number, since it uses less digits than its factorization.

1021202002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021202002011 its reverse (1102002021201), we get a palindrome (2123204023212).

The spelling of 1021202002011 in words is "one trillion, twenty-one billion, two hundred two million, two thousand, eleven".