110102220021001 has 4 divisors (see below), whose sum is σ = 118571621561092. Its totient is φ = 101632818480912.

The previous prime is 110102220020983. The next prime is 110102220021037. The reversal of 110102220021001 is 100120022201011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11141903526601 + 98960316494400 = 3337949^2 + 9947880^2 .

It is a cyclic number.

It is not a de Polignac number, because 110102220021001 - 2¹¹ = 110102220018953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 8469401540077 = 110102220021001 / (1 + 1 + 0 + 1 + 0 + 2 + 2 + 2 + 0 + 0 + 2 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110102220021071) 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, 4234700770026 + ... + 4234700770051.

It is an arithmetic number, because the mean of its divisors is an integer number (29642905390273).

Almost surely, 2^{110102220021001} is an apocalyptic number.

It is an amenable number.

110102220021001 is a deficient number, since it is larger than the sum of its proper divisors (8469401540091).

110102220021001 is an equidigital number, since it uses as much as digits as its factorization.

110102220021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469401540090.

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

Adding to 110102220021001 its reverse (100120022201011), we get a palindrome (210222242222012).

The spelling of 110102220021001 in words is "one hundred ten trillion, one hundred two billion, two hundred twenty million, twenty-one thousand, one".