10122020111 has 12 divisors (see below), whose sum is σ = 11781285768. Its totient is φ = 8671087152.

The previous prime is 10122020071. The next prime is 10122020143. The reversal of 10122020111 is 11102022101.

10122020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10122020111 - 2¹⁸ = 10121757967 is a prime.

It is a super-2 number, since 2×10122020111² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10122020092 and 10122020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122010111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29765 + ... + 145361.

It is an arithmetic number, because the mean of its divisors is an integer number (981773814).

Almost surely, 2^10122020111 is an apocalyptic number.

10122020111 is a deficient number, since it is larger than the sum of its proper divisors (1659265657).

10122020111 is a wasteful number, since it uses less digits than its factorization.

10122020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117398 (or 117391 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10122020111 its reverse (11102022101), we get a palindrome (21224042212).

The spelling of 10122020111 in words is "ten billion, one hundred twenty-two million, twenty thousand, one hundred eleven".