10202021121011 has 16 divisors (see below), whose sum is σ = 10583129779200. Its totient is φ = 9822903746208.

The previous prime is 10202021120987. The next prime is 10202021121049. The reversal of 10202021121011 is 11012112020201.

It is a cyclic number.

It is not a de Polignac number, because 10202021121011 - 2⁶ = 10202021120947 is a prime.

It is a super-2 number, since 2×10202021121011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202021124011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15162440 + ... + 15820986.

It is an arithmetic number, because the mean of its divisors is an integer number (661445611200).

Almost surely, 2^{10202021121011} is an apocalyptic number.

10202021121011 is a deficient number, since it is larger than the sum of its proper divisors (381108658189).

10202021121011 is an equidigital number, since it uses as much as digits as its factorization.

10202021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660058.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202021121011 its reverse (11012112020201), we get a palindrome (21214133141212).

The spelling of 10202021121011 in words is "ten trillion, two hundred two billion, twenty-one million, one hundred twenty-one thousand, eleven".