122002021109 has 8 divisors (see below), whose sum is σ = 130001407128. Its totient is φ = 114094056960.

The previous prime is 122002021081. The next prime is 122002021111. The reversal of 122002021109 is 901120200221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6711214084 + 115290807025 = 81922^2 + 339545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002021109 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 (122002021189) 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, 22852712 + ... + 22858049.

It is an arithmetic number, because the mean of its divisors is an integer number (16250175891).

Almost surely, 2^122002021109 is an apocalyptic number.

It is an amenable number.

122002021109 is a deficient number, since it is larger than the sum of its proper divisors (7999386019).

122002021109 is a wasteful number, since it uses less digits than its factorization.

122002021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45710935.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 122002021109 in words is "one hundred twenty-two billion, two million, twenty-one thousand, one hundred nine".