1021022020210 has 16 divisors (see below), whose sum is σ = 1865270079936. Its totient is φ = 402313153968.

The previous prime is 1021022020199. The next prime is 1021022020211. The reversal of 1021022020210 is 120202201201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1021022020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761956062 + ... + 761957401.

It is an arithmetic number, because the mean of its divisors is an integer number (116579379996).

Almost surely, 2^{1021022020210} is an apocalyptic number.

1021022020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021022020210 is a deficient number, since it is larger than the sum of its proper divisors (844248059726).

1021022020210 is a wasteful number, since it uses less digits than its factorization.

1021022020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523913537.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1021022020210 its reverse (120202201201), we get a palindrome (1141224221411).

The spelling of 1021022020210 in words is "one trillion, twenty-one billion, twenty-two million, twenty thousand, two hundred ten".