122221121284 has 24 divisors (see below), whose sum is σ = 216089415360. Its totient is φ = 60481980384.

The previous prime is 122221121273. The next prime is 122221121287. The reversal of 122221121284 is 482121122221.

It is not an unprimeable number, because it can be changed into a prime (122221121287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628407 + ... + 799585.

It is an arithmetic number, because the mean of its divisors is an integer number (9003725640).

Almost surely, 2^122221121284 is an apocalyptic number.

It is an amenable number.

122221121284 is a deficient number, since it is larger than the sum of its proper divisors (93868294076).

122221121284 is a wasteful number, since it uses less digits than its factorization.

122221121284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173019 (or 173017 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The spelling of 122221121284 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred eighty-four".