122011200010100 has 18 divisors (see below), whose sum is σ = 264764304022134. Its totient is φ = 48804480004000.

The previous prime is 122011200010097. The next prime is 122011200010163. The reversal of 122011200010100 is 1010002110221.

It can be written as a sum of positive squares in 3 ways, for example, as 187972539364 + 121823227470736 = 433558^2 + 11037356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610055999951 + ... + 610056000150.

Almost surely, 2^{122011200010100} is an apocalyptic number.

122011200010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011200010100 is an abundant number, since it is smaller than the sum of its proper divisors (142753104012034).

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

122011200010100 is a wasteful number, since it uses less digits than its factorization.

122011200010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220112000115 (or 1220112000108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122011200010100 its reverse (1010002110221), we get a palindrome (123021202120321).

The spelling of 122011200010100 in words is "one hundred twenty-two trillion, eleven billion, two hundred million, ten thousand, one hundred".