1020212201 has 8 divisors (see below), whose sum is σ = 1108550400. Its totient is φ = 935338320.

The previous prime is 1020212191. The next prime is 1020212203. The reversal of 1020212201 is 1022120201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020212203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865466 + ... + 866643.

It is an arithmetic number, because the mean of its divisors is an integer number (138568800).

Almost surely, 2^1020212201 is an apocalyptic number.

It is an amenable number.

1020212201 is a deficient number, since it is larger than the sum of its proper divisors (88338199).

1020212201 is a wasteful number, since it uses less digits than its factorization.

1020212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732159.

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

The square root of 1020212201 is about 31940.7608080960. The cubic root of 1020212201 is about 1006.6925107151.

Adding to 1020212201 its reverse (1022120201), we get a palindrome (2042332402).

The spelling of 1020212201 in words is "one billion, twenty million, two hundred twelve thousand, two hundred one".