1101212222022 has 48 divisors (see below), whose sum is σ = 2603243178432. Its totient is φ = 333652221360.

The previous prime is 1101212222017. The next prime is 1101212222029. The reversal of 1101212222022 is 2202222121011.

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 = 1101212221986 and 1101212222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101212222029) 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, 975213 + ... + 1775799.

It is an arithmetic number, because the mean of its divisors is an integer number (54234232884).

Almost surely, 2^{1101212222022} is an apocalyptic number.

1101212222022 is an abundant number, since it is smaller than the sum of its proper divisors (1502030956410).

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

1101212222022 is a wasteful number, since it uses less digits than its factorization.

1101212222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807553 (or 807550 counting only the distinct ones).

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

Adding to 1101212222022 its reverse (2202222121011), we get a palindrome (3303434343033).

The spelling of 1101212222022 in words is "one trillion, one hundred one billion, two hundred twelve million, two hundred twenty-two thousand, twenty-two".