1022020110002 has 16 divisors (see below), whose sum is σ = 1539060204600. Its totient is φ = 509001400320.

The previous prime is 1022020109989. The next prime is 1022020110061. The reversal of 1022020110002 is 2000110202201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 307591142881 + 714428967121 = 554609^2 + 845239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173074 + ... + 1849362.

Almost surely, 2^{1022020110002} is an apocalyptic number.

1022020110002 is a deficient number, since it is larger than the sum of its proper divisors (517040094598).

1022020110002 is a wasteful number, since it uses less digits than its factorization.

1022020110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679261.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1022020110002 its reverse (2000110202201), we get a palindrome (3022130312203).

The spelling of 1022020110002 in words is "one trillion, twenty-two billion, twenty million, one hundred ten thousand, two".