20111101212202 has 64 divisors (see below), whose sum is σ = 40566081153024. Its totient is φ = 7221584283840.

The previous prime is 20111101212143. The next prime is 20111101212253. The reversal of 20111101212202 is 20221210111102.

It is a super-3 number, since 3×20111101212202³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6467848 + ... + 9058435.

It is an arithmetic number, because the mean of its divisors is an integer number (633845018016).

Almost surely, 2^{20111101212202} is an apocalyptic number.

20111101212202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111101212202 is an abundant number, since it is smaller than the sum of its proper divisors (20454979940822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111101212202 is a wasteful number, since it uses less digits than its factorization.

20111101212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15526963.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20111101212202 its reverse (20221210111102), we get a palindrome (40332311323304).

The spelling of 20111101212202 in words is "twenty trillion, one hundred eleven billion, one hundred one million, two hundred twelve thousand, two hundred two".