220120021101202 has 4 divisors (see below), whose sum is σ = 330180031651806. Its totient is φ = 110060010550600.

The previous prime is 220120021101199. The next prime is 220120021101259. The reversal of 220120021101202 is 202101120021022.

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., 152327703936321 + 67792317164881 = 12342111^2 + 8233609^2 .

It is a super-2 number, since 2×220120021101202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55030005275299 + ... + 55030005275302.

Almost surely, 2^{220120021101202} is an apocalyptic number.

220120021101202 is a deficient number, since it is larger than the sum of its proper divisors (110060010550604).

220120021101202 is a wasteful number, since it uses less digits than its factorization.

220120021101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110060010550603.

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

Adding to 220120021101202 its reverse (202101120021022), we get a palindrome (422221141122224).

The spelling of 220120021101202 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-one million, one hundred one thousand, two hundred two".