20011112212202 has 8 divisors (see below), whose sum is σ = 30016687565700. Its totient is φ = 10005549690304.

The previous prime is 20011112212129. The next prime is 20011112212229. The reversal of 20011112212202 is 20221221111002.

It can be written as a sum of positive squares in 2 ways, for example, as 19411170567721 + 599941644481 = 4405811^2 + 774559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20011112212202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477074 + ... + 7218882.

Almost surely, 2^{20011112212202} is an apocalyptic number.

20011112212202 is a deficient number, since it is larger than the sum of its proper divisors (10005575353498).

20011112212202 is a wasteful number, since it uses less digits than its factorization.

20011112212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415800.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20011112212202 its reverse (20221221111002), we get a palindrome (40232333323204).

The spelling of 20011112212202 in words is "twenty trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, two hundred two".