100122220021992 has 32 divisors (see below), whose sum is σ = 286063485777600. Its totient is φ = 28606348577664.

The previous prime is 100122220021991. The next prime is 100122220022129. The reversal of 100122220021992 is 299120022221001.

100122220021992 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (100122220021991) 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, 297982797517 + ... + 297982797852.

It is an arithmetic number, because the mean of its divisors is an integer number (8939483930550).

Almost surely, 2^{100122220021992} is an apocalyptic number.

100122220021992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100122220021992 is an abundant number, since it is smaller than the sum of its proper divisors (185941265755608).

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

100122220021992 is a wasteful number, since it uses less digits than its factorization.

100122220021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595965595385 (or 595965595381 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

Adding to 100122220021992 its reverse (299120022221001), we get a palindrome (399242242242993).

The spelling of 100122220021992 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, nine hundred ninety-two".