1021011202202 has 4 divisors (see below), whose sum is σ = 1531516803306. Its totient is φ = 510505601100.

The previous prime is 1021011202193. The next prime is 1021011202259. The reversal of 1021011202202 is 2022021101201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1007231024881 + 13780177321 = 1003609^2 + 117389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255252800549 + ... + 255252800552.

Almost surely, 2^{1021011202202} is an apocalyptic number.

1021011202202 is a deficient number, since it is larger than the sum of its proper divisors (510505601104).

1021011202202 is an equidigital number, since it uses as much as digits as its factorization.

1021011202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510505601103.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021011202202 its reverse (2022021101201), we get a palindrome (3043032303403).

The spelling of 1021011202202 in words is "one trillion, twenty-one billion, eleven million, two hundred two thousand, two hundred two".