100122220012011 has 4 divisors (see below), whose sum is σ = 133496293349352. Its totient is φ = 66748146674672.

The previous prime is 100122220011967. The next prime is 100122220012049. The reversal of 100122220012011 is 110210022221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100122220012011 - 2⁷ = 100122220011883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100122220019011) 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, 16687036668666 + ... + 16687036668671.

It is an arithmetic number, because the mean of its divisors is an integer number (33374073337338).

Almost surely, 2^{100122220012011} is an apocalyptic number.

100122220012011 is a deficient number, since it is larger than the sum of its proper divisors (33374073337341).

100122220012011 is an equidigital number, since it uses as much as digits as its factorization.

100122220012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33374073337340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100122220012011 its reverse (110210022221001), we get a palindrome (210332242233012).

The spelling of 100122220012011 in words is "one hundred trillion, one hundred twenty-two billion, two hundred twenty million, twelve thousand, eleven".