2211222101022 has 48 divisors (see below), whose sum is σ = 5233393292400. Its totient is φ = 669186748800.

The previous prime is 2211222101021. The next prime is 2211222101041. The reversal of 2211222101022 is 2201012221122.

It is a happy number.

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 = 2211222100986 and 2211222101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222101021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7186897 + ... + 7488252.

It is an arithmetic number, because the mean of its divisors is an integer number (109029026925).

Almost surely, 2^{2211222101022} is an apocalyptic number.

2211222101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211222101022 is an abundant number, since it is smaller than the sum of its proper divisors (3022171191378).

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

2211222101022 is a wasteful number, since it uses less digits than its factorization.

2211222101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14675929 (or 14675926 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2211222101022 its reverse (2201012221122), we get a palindrome (4412234322144).

The spelling of 2211222101022 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, twenty-two".