10020121011022 has 4 divisors (see below), whose sum is σ = 15030181516536. Its totient is φ = 5010060505510.

The previous prime is 10020121011011. The next prime is 10020121011029. The reversal of 10020121011022 is 22011012102001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 10020121010993 and 10020121011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020121011029) 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 as a sum of consecutive naturals, namely, 2505030252754 + ... + 2505030252757.

It is an arithmetic number, because the mean of its divisors is an integer number (3757545379134).

Almost surely, 2^{10020121011022} is an apocalyptic number.

10020121011022 is a deficient number, since it is larger than the sum of its proper divisors (5010060505514).

10020121011022 is an equidigital number, since it uses as much as digits as its factorization.

10020121011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010060505513.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10020121011022 its reverse (22011012102001), we get a palindrome (32031133113023).

The spelling of 10020121011022 in words is "ten trillion, twenty billion, one hundred twenty-one million, eleven thousand, twenty-two".