1021020212201 has 8 divisors (see below), whose sum is σ = 1113847653600. Its totient is φ = 928194007840.

The previous prime is 1021020212161. The next prime is 1021020212203. The reversal of 1021020212201 is 1022120201201.

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

It is not a de Polignac number, because 1021020212201 - 2¹⁰ = 1021020211177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021020212203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636690 + ... + 2999028.

It is an arithmetic number, because the mean of its divisors is an integer number (139230956700).

Almost surely, 2^{1021020212201} is an apocalyptic number.

1021020212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021020212201 is a deficient number, since it is larger than the sum of its proper divisors (92827441399).

1021020212201 is a wasteful number, since it uses less digits than its factorization.

1021020212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618519.

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

Adding to 1021020212201 its reverse (1022120201201), we get a palindrome (2043140413402).

The spelling of 1021020212201 in words is "one trillion, twenty-one billion, twenty million, two hundred twelve thousand, two hundred one".