2211211112022 has 96 divisors (see below), whose sum is σ = 5359756016160. Its totient is φ = 653015040000.

The previous prime is 2211211112017. The next prime is 2211211112023. The reversal of 2211211112022 is 2202111121122.

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 = 2211211111986 and 2211211112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211211112023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7395022 + ... + 7688222.

It is an arithmetic number, because the mean of its divisors is an integer number (55830791835).

Almost surely, 2^{2211211112022} is an apocalyptic number.

2211211112022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211211112022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679878008080).

2211211112022 is an abundant number, since it is smaller than the sum of its proper divisors (3148544904138).

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

2211211112022 is a wasteful number, since it uses less digits than its factorization.

2211211112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294190 (or 294187 counting only the distinct ones).

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

Adding to 2211211112022 its reverse (2202111121122), we get a palindrome (4413322233144).

The spelling of 2211211112022 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred twelve thousand, twenty-two".