20111120001202 has 4 divisors (see below), whose sum is σ = 30166680001806. Its totient is φ = 10055560000600.

The previous prime is 20111120001187. The next prime is 20111120001209. The reversal of 20111120001202 is 20210002111102.

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., 19106436530281 + 1004683470921 = 4371091^2 + 1002339^2 .

It is not an unprimeable number, because it can be changed into a prime (20111120001209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027780000299 + ... + 5027780000302.

Almost surely, 2^{20111120001202} is an apocalyptic number.

20111120001202 is a deficient number, since it is larger than the sum of its proper divisors (10055560000604).

20111120001202 is a wasteful number, since it uses less digits than its factorization.

20111120001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055560000603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20111120001202 its reverse (20210002111102), we get a palindrome (40321122112304).

The spelling of 20111120001202 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, one thousand, two hundred two".