1022220021202 has 8 divisors (see below), whose sum is σ = 1533339305676. Its totient is φ = 511106919312.

The previous prime is 1022220021139. The next prime is 1022220021253. The reversal of 1022220021202 is 2021200222201.

1022220021202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1009018241001 + 13201780201 = 1004499^2 + 114899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107453 + ... + 1808560.

Almost surely, 2^{1022220021202} is an apocalyptic number.

1022220021202 is a deficient number, since it is larger than the sum of its proper divisors (511119284474).

1022220021202 is a wasteful number, since it uses less digits than its factorization.

1022220021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091292.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1022220021202 its reverse (2021200222201), we get a palindrome (3043420243403).

The spelling of 1022220021202 in words is "one trillion, twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred two".