122220122101 has 16 divisors (see below), whose sum is σ = 157632762240. Its totient is φ = 91952441280.

The previous prime is 122220122077. The next prime is 122220122107. The reversal of 122220122101 is 101221022221.

It is a happy number.

It is not a de Polignac number, because 122220122101 - 2¹⁵ = 122220089333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220122107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27364566 + ... + 27369031.

It is an arithmetic number, because the mean of its divisors is an integer number (9852047640).

Almost surely, 2^122220122101 is an apocalyptic number.

122220122101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122220122101 is a deficient number, since it is larger than the sum of its proper divisors (35412640139).

122220122101 is a wasteful number, since it uses less digits than its factorization.

122220122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54733644.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122220122101 its reverse (101221022221), we get a palindrome (223441144322).

The spelling of 122220122101 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred one".