1122021202000 has 40 divisors (see below), whose sum is σ = 2713047271272. Its totient is φ = 448808480000.

The previous prime is 1122021201883. The next prime is 1122021202007. The reversal of 1122021202000 is 2021202211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70420175424 + 1051601026576 = 265368^2 + 1025476^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280503301 + ... + 280507300.

Almost surely, 2^{1122021202000} is an apocalyptic number.

1122021202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122021202000 is an abundant number, since it is smaller than the sum of its proper divisors (1591026069272).

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

1122021202000 is an equidigital number, since it uses as much as digits as its factorization.

1122021202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561010624 (or 561010608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1122021202000 its reverse (2021202211), we get a palindrome (1124042404211).

The spelling of 1122021202000 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred two thousand".