122223441021 has 16 divisors (see below), whose sum is σ = 180432979968. Its totient is φ = 72969217200.

The previous prime is 122223441013. The next prime is 122223441029. The reversal of 122223441021 is 120144322221.

It is an interprime number because it is at equal distance from previous prime (122223441013) and next prime (122223441029).

It is not a de Polignac number, because 122223441021 - 2³ = 122223441013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122223440982 and 122223441000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223441029) 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, 27637645 + ... + 27642066.

It is an arithmetic number, because the mean of its divisors is an integer number (11277061248).

Almost surely, 2^122223441021 is an apocalyptic number.

122223441021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122223441021 is a deficient number, since it is larger than the sum of its proper divisors (58209538947).

122223441021 is a wasteful number, since it uses less digits than its factorization.

122223441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55279792.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 122223441021 its reverse (120144322221), we get a palindrome (242367763242).

It can be divided in two parts, 1222234 and 41021, that added together give a triangular number (1263255 = T₁₅₈₉).

The spelling of 122223441021 in words is "one hundred twenty-two billion, two hundred twenty-three million, four hundred forty-one thousand, twenty-one".