1102021041212 has 96 divisors (see below), whose sum is σ = 2426199767040. Its totient is φ = 426316400640.

The previous prime is 1102021041203. The next prime is 1102021041217. The reversal of 1102021041212 is 2121401202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102021041217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20005964 + ... + 20060972.

It is an arithmetic number, because the mean of its divisors is an integer number (25272914240).

Almost surely, 2^{1102021041212} 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 1102021041212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213099883520).

1102021041212 is an abundant number, since it is smaller than the sum of its proper divisors (1324178725828).

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

1102021041212 is a wasteful number, since it uses less digits than its factorization.

1102021041212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56251 (or 56249 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1102021041212 its reverse (2121401202011), we get a palindrome (3223422243223).

The spelling of 1102021041212 in words is "one trillion, one hundred two billion, twenty-one million, forty-one thousand, two hundred twelve".