100012212020011 has 4 divisors (see below), whose sum is σ = 100025006221512. Its totient is φ = 99999417818512.

The previous prime is 100012212019999. The next prime is 100012212020029. The reversal of 100012212020011 is 110020212210001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100012212020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100012212019973 and 100012212020000.

It is not an unprimeable number, because it can be changed into a prime (100012212020041) 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, 6397089025 + ... + 6397104658.

It is an arithmetic number, because the mean of its divisors is an integer number (25006251555378).

Almost surely, 2^{100012212020011} is an apocalyptic number.

100012212020011 is a deficient number, since it is larger than the sum of its proper divisors (12794201501).

100012212020011 is an equidigital number, since it uses as much as digits as its factorization.

100012212020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794201500.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100012212020011 its reverse (110020212210001), we get a palindrome (210032424230012).

The spelling of 100012212020011 in words is "one hundred trillion, twelve billion, two hundred twelve million, twenty thousand, eleven".