1022210211002 has 4 divisors (see below), whose sum is σ = 1533315316506. Its totient is φ = 511105105500.

The previous prime is 1022210210981. The next prime is 1022210211049. The reversal of 1022210211002 is 2001120122201.

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., 520647390481 + 501562820521 = 721559^2 + 708211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255552552749 + ... + 255552552752.

Almost surely, 2^{1022210211002} is an apocalyptic number.

1022210211002 is a deficient number, since it is larger than the sum of its proper divisors (511105105504).

1022210211002 is an equidigital number, since it uses as much as digits as its factorization.

1022210211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511105105503.

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

Adding to 1022210211002 its reverse (2001120122201), we get a palindrome (3023330333203).

The spelling of 1022210211002 in words is "one trillion, twenty-two billion, two hundred ten million, two hundred eleven thousand, two".