100122122212011 has 8 divisors (see below), whose sum is σ = 148329069943760. Its totient is φ = 66748081474656.

The previous prime is 100122122212009. The next prime is 100122122212061. The reversal of 100122122212011 is 110212221221001.

100122122212011 is a `hidden beast` number, since 100 + 1 + 221 + 222 + 120 + 1 + 1 = 666.

It is not a de Polignac number, because 100122122212011 - 2¹ = 100122122212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122122212061) 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, 1854113374270 + ... + 1854113374323.

It is an arithmetic number, because the mean of its divisors is an integer number (18541133742970).

Almost surely, 2^{100122122212011} is an apocalyptic number.

100122122212011 is a deficient number, since it is larger than the sum of its proper divisors (48206947731749).

100122122212011 is an equidigital number, since it uses as much as digits as its factorization.

100122122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708226748602 (or 3708226748596 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100122122212011 its reverse (110212221221001), we get a palindrome (210334343433012).

The spelling of 100122122212011 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, eleven".