1020212213101 has 4 divisors (see below), whose sum is σ = 1022706619900. Its totient is φ = 1017717806304.

The previous prime is 1020212213077. The next prime is 1020212213107. The reversal of 1020212213101 is 1013122120201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 411617197476 + 608595015625 = 641574^2 + 780125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020212213101 - 2⁷ = 1020212212973 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 (1020212213107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247202786 + ... + 1247203603.

It is an arithmetic number, because the mean of its divisors is an integer number (255676654975).

Almost surely, 2^{1020212213101} is an apocalyptic number.

It is an amenable number.

1020212213101 is a deficient number, since it is larger than the sum of its proper divisors (2494406799).

1020212213101 is an equidigital number, since it uses as much as digits as its factorization.

1020212213101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494406798.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1020212213101 its reverse (1013122120201), we get a palindrome (2033334333302).

The spelling of 1020212213101 in words is "one trillion, twenty billion, two hundred twelve million, two hundred thirteen thousand, one hundred one".