202111020122 has 32 divisors (see below), whose sum is σ = 337768475904. Its totient is φ = 89920958400.

The previous prime is 202111020119. The next prime is 202111020233. The reversal of 202111020122 is 221020111202.

202111020122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202111020097 and 202111020106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285023 + ... + 696749.

It is an arithmetic number, because the mean of its divisors is an integer number (10555264872).

Almost surely, 2^202111020122 is an apocalyptic number.

202111020122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202111020122 is a deficient number, since it is larger than the sum of its proper divisors (135657455782).

202111020122 is a wasteful number, since it uses less digits than its factorization.

202111020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412214.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202111020122 its reverse (221020111202), we get a palindrome (423131131324).

The spelling of 202111020122 in words is "two hundred two billion, one hundred eleven million, twenty thousand, one hundred twenty-two".