22220101020202 has 4 divisors (see below), whose sum is σ = 33330151530306. Its totient is φ = 11110050510100.

The previous prime is 22220101020199. The next prime is 22220101020217. The reversal of 22220101020202 is 20202010102222.

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., 22013184296041 + 206916724161 = 4691821^2 + 454881^2 .

It is a super-2 number, since 2×22220101020202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555025255049 + ... + 5555025255052.

Almost surely, 2^{22220101020202} is an apocalyptic number.

22220101020202 is a deficient number, since it is larger than the sum of its proper divisors (11110050510104).

22220101020202 is a wasteful number, since it uses less digits than its factorization.

22220101020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110050510103.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22220101020202 its reverse (20202010102222), we get a palindrome (42422111122424).

The spelling of 22220101020202 in words is "twenty-two trillion, two hundred twenty billion, one hundred one million, twenty thousand, two hundred two".