122020020111 has 32 divisors (see below), whose sum is σ = 185023051776. Its totient is φ = 70857360000.

The previous prime is 122020020079. The next prime is 122020020121. The reversal of 122020020111 is 111020020221.

It is not a de Polignac number, because 122020020111 - 2⁵ = 122020020079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487156 + ... + 693801.

It is an arithmetic number, because the mean of its divisors is an integer number (5781970368).

Almost surely, 2^122020020111 is an apocalyptic number.

122020020111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122020020111 is a deficient number, since it is larger than the sum of its proper divisors (63003031665).

122020020111 is a wasteful number, since it uses less digits than its factorization.

122020020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181103.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122020020111 its reverse (111020020221), we get a palindrome (233040040332).

The spelling of 122020020111 in words is "one hundred twenty-two billion, twenty million, twenty thousand, one hundred eleven".