1021020112301 has 12 divisors (see below), whose sum is σ = 1202751673920. Its totient is φ = 864082117080.

The previous prime is 1021020112297. The next prime is 1021020112303. The reversal of 1021020112301 is 1032110201201.

It is not a de Polignac number, because 1021020112301 - 2² = 1021020112297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021020112303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131876795 + ... + 131884536.

It is an arithmetic number, because the mean of its divisors is an integer number (100229306160).

Almost surely, 2^{1021020112301} is an apocalyptic number.

It is an amenable number.

1021020112301 is a deficient number, since it is larger than the sum of its proper divisors (181731561619).

1021020112301 is an equidigital number, since it uses as much as digits as its factorization.

1021020112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263761424 (or 263761417 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021020112301 its reverse (1032110201201), we get a palindrome (2053130313502).

The spelling of 1021020112301 in words is "one trillion, twenty-one billion, twenty million, one hundred twelve thousand, three hundred one".