1021224221202 has 32 divisors (see below), whose sum is σ = 2061975548160. Its totient is φ = 337163495760.

The previous prime is 1021224221191. The next prime is 1021224221233. The reversal of 1021224221202 is 2021224221201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831052 + ... + 1653207.

It is an arithmetic number, because the mean of its divisors is an integer number (64436735880).

Almost surely, 2^{1021224221202} is an apocalyptic number.

1021224221202 is an abundant number, since it is smaller than the sum of its proper divisors (1040751326958).

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

1021224221202 is a wasteful number, since it uses less digits than its factorization.

1021224221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484918.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1021224221202 its reverse (2021224221201), we get a palindrome (3042448442403).

Subtracting 1021224221202 from its reverse (2021224221201), we obtain a palindrome (999999999999).

The spelling of 1021224221202 in words is "one trillion, twenty-one billion, two hundred twenty-four million, two hundred twenty-one thousand, two hundred two".