20111011001202 has 32 divisors (see below), whose sum is σ = 43880722147584. Its totient is φ = 6093946773200.

The previous prime is 20111011001197. The next prime is 20111011001239. The reversal of 20111011001202 is 20210011011102.

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 in 15 ways as a sum of consecutive naturals, for example, 6117288 + ... + 8811539.

It is an arithmetic number, because the mean of its divisors is an integer number (1371272567112).

Almost surely, 2^{20111011001202} is an apocalyptic number.

20111011001202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111011001202 is an abundant number, since it is smaller than the sum of its proper divisors (23769711146382).

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

20111011001202 is a wasteful number, since it uses less digits than its factorization.

20111011001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949254.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111011001202 its reverse (20210011011102), we get a palindrome (40321022012304).

The spelling of 20111011001202 in words is "twenty trillion, one hundred eleven billion, eleven million, one thousand, two hundred two".