122122222010020 has 12 divisors (see below), whose sum is σ = 256456666221084. Its totient is φ = 48848888804000.

The previous prime is 122122222010017. The next prime is 122122222010021. The reversal of 122122222010020 is 20010222221221.

It can be written as a sum of positive squares in 2 ways, for example, as 67419601371136 + 54702620638884 = 8210944^2 + 7396122^2 .

It is a super-2 number, since 2×122122222010020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122122222010020.

It is not an unprimeable number, because it can be changed into a prime (122122222010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053055550231 + ... + 3053055550270.

It is an arithmetic number, because the mean of its divisors is an integer number (21371388851757).

Almost surely, 2^{122122222010020} is an apocalyptic number.

122122222010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122222010020 is an abundant number, since it is smaller than the sum of its proper divisors (134334444211064).

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

122122222010020 is a wasteful number, since it uses less digits than its factorization.

122122222010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106111100510 (or 6106111100508 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122222010020 its reverse (20010222221221), we get a palindrome (142132444231241).

The spelling of 122122222010020 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-two million, ten thousand, twenty".