122120202201020 has 24 divisors (see below), whose sum is σ = 267602530041504. Its totient is φ = 46724251276736.

The previous prime is 122120202201017. The next prime is 122120202201037. The reversal of 122120202201020 is 20102202021221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122120202201020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132739349759 + ... + 132739350678.

It is an arithmetic number, because the mean of its divisors is an integer number (11150105418396).

Almost surely, 2^{122120202201020} is an apocalyptic number.

122120202201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120202201020 is an abundant number, since it is smaller than the sum of its proper divisors (145482327840484).

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

122120202201020 is a wasteful number, since it uses less digits than its factorization.

122120202201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265478700469 (or 265478700467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122120202201020 its reverse (20102202021221), we get a palindrome (142222404222241).

The spelling of 122120202201020 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred two million, two hundred one thousand, twenty".