1020020210101 has 16 divisors (see below), whose sum is σ = 1080309254400. Its totient is φ = 961156627200.

The previous prime is 1020020210081. The next prime is 1020020210117. The reversal of 1020020210101 is 1010120200201.

It is a de Polignac number, because none of the positive numbers 2^k-1020020210101 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 (1020020210701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640980 + ... + 1565533.

It is an arithmetic number, because the mean of its divisors is an integer number (67519328400).

Almost surely, 2^{1020020210101} is an apocalyptic number.

It is an amenable number.

1020020210101 is a deficient number, since it is larger than the sum of its proper divisors (60289044299).

1020020210101 is a wasteful number, since it uses less digits than its factorization.

1020020210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206836.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020020210101 its reverse (1010120200201), we get a palindrome (2030140410302).

The spelling of 1020020210101 in words is "one trillion, twenty billion, twenty million, two hundred ten thousand, one hundred one".