1020213101 has 8 divisors (see below), whose sum is σ = 1029787200. Its totient is φ = 1010683872.

The previous prime is 1020213083. The next prime is 1020213109. The reversal of 1020213101 is 1013120201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020213101 - 2¹⁸ = 1019950957 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 (1020213109) 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, 35366 + ... + 57368.

It is an arithmetic number, because the mean of its divisors is an integer number (128723400).

Almost surely, 2^1020213101 is an apocalyptic number.

It is an amenable number.

1020213101 is a deficient number, since it is larger than the sum of its proper divisors (9574099).

1020213101 is a wasteful number, since it uses less digits than its factorization.

1020213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22435.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1020213101 is about 31940.7748966740. The cubic root of 1020213101 is about 1006.6928067395.

Adding to 1020213101 its reverse (1013120201), we get a palindrome (2033333302).

The spelling of 1020213101 in words is "one billion, twenty million, two hundred thirteen thousand, one hundred one".