220110201201021 has 16 divisors (see below), whose sum is σ = 293546569494528. Its totient is φ = 146706986946800.

The previous prime is 220110201201013. The next prime is 220110201201029. The reversal of 220110201201021 is 120102102011022.

It is an interprime number because it is at equal distance from previous prime (220110201201013) and next prime (220110201201029).

It is a cyclic number.

It is not a de Polignac number, because 220110201201021 - 2³ = 220110201201013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110201201029) 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, 262617400 + ... + 263454206.

It is an arithmetic number, because the mean of its divisors is an integer number (18346660593408).

Almost surely, 2^{220110201201021} is an apocalyptic number.

It is an amenable number.

220110201201021 is a deficient number, since it is larger than the sum of its proper divisors (73436368293507).

220110201201021 is a wasteful number, since it uses less digits than its factorization.

220110201201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856512.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220110201201021 its reverse (120102102011022), we get a palindrome (340212303212043).

The spelling of 220110201201021 in words is "two hundred twenty trillion, one hundred ten billion, two hundred one million, two hundred one thousand, twenty-one".