2120220111202 has 4 divisors (see below), whose sum is σ = 3180330166806. Its totient is φ = 1060110055600.

The previous prime is 2120220111187. The next prime is 2120220111239. The reversal of 2120220111202 is 2021110220212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2115189188161 + 5030923041 = 1454369^2 + 70929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530055027799 + ... + 530055027802.

Almost surely, 2^{2120220111202} is an apocalyptic number.

2120220111202 is a deficient number, since it is larger than the sum of its proper divisors (1060110055604).

2120220111202 is a wasteful number, since it uses less digits than its factorization.

2120220111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060110055603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120220111202 its reverse (2021110220212), we get a palindrome (4141330331414).

The spelling of 2120220111202 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred eleven thousand, two hundred two".