20111020201022 has 8 divisors (see below), whose sum is σ = 30167185536000. Its totient is φ = 10055291689024.

The previous prime is 20111020201009. The next prime is 20111020201031. The reversal of 20111020201022 is 22010202011102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20111020200988 and 20111020201006.

It is a congruent number.

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, 109090622 + ... + 109274817.

It is an arithmetic number, because the mean of its divisors is an integer number (3770898192000).

Almost surely, 2^{20111020201022} is an apocalyptic number.

20111020201022 is a deficient number, since it is larger than the sum of its proper divisors (10056165334978).

20111020201022 is a wasteful number, since it uses less digits than its factorization.

20111020201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218411490.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111020201022 its reverse (22010202011102), we get a palindrome (42121222212124).

The spelling of 20111020201022 in words is "twenty trillion, one hundred eleven billion, twenty million, two hundred one thousand, twenty-two".