122221121111004 has 48 divisors (see below), whose sum is σ = 301959354428928. Its totient is φ = 38343717259008.

The previous prime is 122221121110927. The next prime is 122221121111041. The reversal of 122221121111004 is 400111121122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51988509 + ... + 54288555.

It is an arithmetic number, because the mean of its divisors is an integer number (6290819883936).

Almost surely, 2^{122221121111004} is an apocalyptic number.

It is an amenable number.

122221121111004 is an abundant number, since it is smaller than the sum of its proper divisors (179738233317924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122221121111004 is a wasteful number, since it uses less digits than its factorization.

122221121111004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560554 (or 2560552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122221121111004 its reverse (400111121122221), we get a palindrome (522332242233225).

The spelling of 122221121111004 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, four".