110202022111021 has 16 divisors (see below), whose sum is σ = 112663320260400. Its totient is φ = 107755437404160.

The previous prime is 110202022111007. The next prime is 110202022111063. The reversal of 110202022111021 is 120111220202011.

It can be written as a sum of positive squares in 8 ways, for example, as 8885436914025 + 101316585196996 = 2980845^2 + 10065614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110202022111021 is a prime.

It is a super-2 number, since 2×110202022111021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202022110986 and 110202022111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202022111091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17584351 + ... + 23013331.

It is an arithmetic number, because the mean of its divisors is an integer number (7041457516275).

Almost surely, 2^{110202022111021} is an apocalyptic number.

It is an amenable number.

110202022111021 is a deficient number, since it is larger than the sum of its proper divisors (2461298149379).

110202022111021 is an equidigital number, since it uses as much as digits as its factorization.

110202022111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430336.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110202022111021 its reverse (120111220202011), we get a palindrome (230313242313032).

The spelling of 110202022111021 in words is "one hundred ten trillion, two hundred two billion, twenty-two million, one hundred eleven thousand, twenty-one".