122101220202 has 64 divisors (see below), whose sum is σ = 266610113280. Its totient is φ = 37054715904.

The previous prime is 122101220159. The next prime is 122101220231. The reversal of 122101220202 is 202022101221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189299 + ... + 2244377.

It is an arithmetic number, because the mean of its divisors is an integer number (4165783020).

Almost surely, 2^122101220202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122101220202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133305056640).

122101220202 is an abundant number, since it is smaller than the sum of its proper divisors (144508893078).

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

122101220202 is a wasteful number, since it uses less digits than its factorization.

122101220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55487.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122101220202 its reverse (202022101221), we get a palindrome (324123321423).

The spelling of 122101220202 in words is "one hundred twenty-two billion, one hundred one million, two hundred twenty thousand, two hundred two".