220120102002011 has 4 divisors (see below), whose sum is σ = 220123046394024. Its totient is φ = 220117157610000.

The previous prime is 220120102002001. The next prime is 220120102002023. The reversal of 220120102002011 is 110200201021022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220120102002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220120102002001) 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, 1472083865 + ... + 1472233386.

It is an arithmetic number, because the mean of its divisors is an integer number (55030761598506).

Almost surely, 2^{220120102002011} is an apocalyptic number.

220120102002011 is a deficient number, since it is larger than the sum of its proper divisors (2944392013).

220120102002011 is an equidigital number, since it uses as much as digits as its factorization.

220120102002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944392012.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220120102002011 its reverse (110200201021022), we get a palindrome (330320303023033).

The spelling of 220120102002011 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred two million, two thousand, eleven".