11211101202222 has 48 divisors (see below), whose sum is σ = 24303912572160. Its totient is φ = 3735004444416.

The previous prime is 11211101202211. The next prime is 11211101202277. The reversal of 11211101202222 is 22220210111211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11211101202195 and 11211101202204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452650483 + ... + 452675249.

It is an arithmetic number, because the mean of its divisors is an integer number (506331511920).

Almost surely, 2^{11211101202222} is an apocalyptic number.

11211101202222 is an abundant number, since it is smaller than the sum of its proper divisors (13092811369938).

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

11211101202222 is a wasteful number, since it uses less digits than its factorization.

11211101202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37417 (or 37414 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11211101202222 its reverse (22220210111211), we get a palindrome (33431311313433).

The spelling of 11211101202222 in words is "eleven trillion, two hundred eleven billion, one hundred one million, two hundred two thousand, two hundred twenty-two".