1202100021222 has 16 divisors (see below), whose sum is σ = 2508730479360. Its totient is φ = 383278267592.

The previous prime is 1202100021217. The next prime is 1202100021223. The reversal of 1202100021222 is 2221200012021.

It is a super-2 number, since 2×1202100021222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100021223) 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, 4355434722 + ... + 4355434997.

It is an arithmetic number, because the mean of its divisors is an integer number (156795654960).

Almost surely, 2^{1202100021222} is an apocalyptic number.

1202100021222 is an abundant number, since it is smaller than the sum of its proper divisors (1306630458138).

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

1202100021222 is a wasteful number, since it uses less digits than its factorization.

1202100021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710869747.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202100021222 its reverse (2221200012021), we get a palindrome (3423300033243).

The spelling of 1202100021222 in words is "one trillion, two hundred two billion, one hundred million, twenty-one thousand, two hundred twenty-two".