202012110121011 has 24 divisors (see below), whose sum is σ = 279252239308224. Its totient is φ = 129893473876320.

The previous prime is 202012110120971. The next prime is 202012110121033. The reversal of 202012110121011 is 110121011210202.

It is a happy number.

It is not a de Polignac number, because 202012110121011 - 2¹⁴ = 202012110104627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202012110121511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39885385 + ... + 44663946.

It is an arithmetic number, because the mean of its divisors is an integer number (11635509971176).

Almost surely, 2^{202012110121011} is an apocalyptic number.

202012110121011 is a deficient number, since it is larger than the sum of its proper divisors (77240129187213).

202012110121011 is an equidigital number, since it uses as much as digits as its factorization.

202012110121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84550339 (or 84550310 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 202012110121011 its reverse (110121011210202), we get a palindrome (312133121331213).

The spelling of 202012110121011 in words is "two hundred two trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, eleven".