1101022211212 has 192 divisors, whose sum is σ = 2477898501120. Its totient is φ = 415729152000.

The previous prime is 1101022211203. The next prime is 1101022211221. The reversal of 1101022211212 is 2121122201011.

It is an interprime number because it is at equal distance from previous prime (1101022211203) and next prime (1101022211221).

It is a super-5 number, since 5×1101022211212⁵ (a number of 61 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311109339 + ... + 311112877.

It is an arithmetic number, because the mean of its divisors is an integer number (12905721360).

Almost surely, 2^{1101022211212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101022211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238949250560).

1101022211212 is an abundant number, since it is smaller than the sum of its proper divisors (1376876289908).

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

1101022211212 is a wasteful number, since it uses less digits than its factorization.

1101022211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101022211212 its reverse (2121122201011), we get a palindrome (3222144412223).

It can be divided in two parts, 11010 and 22211212, that added together give a palindrome (22222222).

The spelling of 1101022211212 in words is "one trillion, one hundred one billion, twenty-two million, two hundred eleven thousand, two hundred twelve".