110000002021 has 32 divisors (see below), whose sum is σ = 136320081408. Its totient is φ = 86433177600.

The previous prime is 110000001977. The next prime is 110000002087. The reversal of 110000002021 is 120200000011.

It is not a de Polignac number, because 110000002021 - 2¹⁷ = 109999870949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 110000001995 and 110000002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110000005021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10831296 + ... + 10841446.

It is an arithmetic number, because the mean of its divisors is an integer number (4260002544).

Almost surely, 2^110000002021 is an apocalyptic number.

It is an amenable number.

110000002021 is a deficient number, since it is larger than the sum of its proper divisors (26320079387).

110000002021 is a wasteful number, since it uses less digits than its factorization.

110000002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 110000002021 its reverse (120200000011), we get a palindrome (230200002032).

The spelling of 110000002021 in words is "one hundred ten billion, two thousand, twenty-one".