100011122010021 has 8 divisors (see below), whose sum is σ = 136600556891904. Its totient is φ = 65047884234080.

The previous prime is 100011122010017. The next prime is 100011122010031. The reversal of 100011122010021 is 120010221110001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100011122010021 - 2² = 100011122010017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100011122009979 and 100011122010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011122010001) 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, 406549276341 + ... + 406549276586.

It is an arithmetic number, because the mean of its divisors is an integer number (17075069611488).

Almost surely, 2^{100011122010021} is an apocalyptic number.

It is an amenable number.

100011122010021 is a deficient number, since it is larger than the sum of its proper divisors (36589434881883).

100011122010021 is an equidigital number, since it uses as much as digits as its factorization.

100011122010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813098552971.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100011122010021 its reverse (120010221110001), we get a palindrome (220021343120022).

The spelling of 100011122010021 in words is "one hundred trillion, eleven billion, one hundred twenty-two million, ten thousand, twenty-one".