1020210212109 has 32 divisors (see below), whose sum is σ = 1498897964160. Its totient is φ = 612079776000.

The previous prime is 1020210212081. The next prime is 1020210212113. The reversal of 1020210212109 is 9012120120201.

It is not a de Polignac number, because 1020210212109 - 2¹³ = 1020210203917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210212309) 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 31 ways as a sum of consecutive naturals, for example, 21537519 + ... + 21584835.

It is an arithmetic number, because the mean of its divisors is an integer number (46840561380).

Almost surely, 2^{1020210212109} is an apocalyptic number.

It is an amenable number.

1020210212109 is a deficient number, since it is larger than the sum of its proper divisors (478687752051).

1020210212109 is a wasteful number, since it uses less digits than its factorization.

1020210212109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53901.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1020210212109 in words is "one trillion, twenty billion, two hundred ten million, two hundred twelve thousand, one hundred nine".