100121411 has 4 divisors (see below), whose sum is σ = 107823072. Its totient is φ = 92419752.

The previous prime is 100121387. The next prime is 100121423. The reversal of 100121411 is 114121001.

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-100121411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100121392 and 100121401.

It is not an unprimeable number, because it can be changed into a prime (100121011) 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, 3850811 + ... + 3850836.

It is an arithmetic number, because the mean of its divisors is an integer number (26955768).

Almost surely, 2^100121411 is an apocalyptic number.

100121411 is a deficient number, since it is larger than the sum of its proper divisors (7701661).

100121411 is an equidigital number, since it uses as much as digits as its factorization.

100121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701660.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 100121411 is about 10006.0687085388. The cubic root of 100121411 is about 464.3466540376.

Adding to 100121411 its reverse (114121001), we get a palindrome (214242412).

The spelling of 100121411 in words is "one hundred million, one hundred twenty-one thousand, four hundred eleven".