1021120222202 has 8 divisors (see below), whose sum is σ = 1539377220000. Its totient is φ = 507994482204.

The previous prime is 1021120222189. The next prime is 1021120222247. The reversal of 1021120222202 is 2022220211201.

It is a happy number.

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, 1282813952 + ... + 1282814747.

It is an arithmetic number, because the mean of its divisors is an integer number (192422152500).

Almost surely, 2^{1021120222202} is an apocalyptic number.

1021120222202 is a deficient number, since it is larger than the sum of its proper divisors (518256997798).

1021120222202 is a wasteful number, since it uses less digits than its factorization.

1021120222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565628900.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1021120222202 its reverse (2022220211201), we get a palindrome (3043340433403).

The spelling of 1021120222202 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred two".