110021010100121 has 4 divisors (see below), whose sum is σ = 111570601791744. Its totient is φ = 108471418408500.

The previous prime is 110021010100117. The next prime is 110021010100153. The reversal of 110021010100121 is 121001010120011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110021010100121 - 2² = 110021010100117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110021010180121) 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, 774795845705 + ... + 774795845846.

It is an arithmetic number, because the mean of its divisors is an integer number (27892650447936).

Almost surely, 2^{110021010100121} is an apocalyptic number.

It is an amenable number.

110021010100121 is a deficient number, since it is larger than the sum of its proper divisors (1549591691623).

110021010100121 is an equidigital number, since it uses as much as digits as its factorization.

110021010100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549591691622.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110021010100121 its reverse (121001010120011), we get a palindrome (231022020220132).

The spelling of 110021010100121 in words is "one hundred ten trillion, twenty-one billion, ten million, one hundred thousand, one hundred twenty-one".