1021213103101 has 8 divisors (see below), whose sum is σ = 1054106399808. Its totient is φ = 988700076000.

The previous prime is 1021213103093. The next prime is 1021213103107. The reversal of 1021213103101 is 1013013121201.

It is a happy number.

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

It is not a de Polignac number, because 1021213103101 - 2³ = 1021213103093 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 (1021213103107) 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, 95061945 + ... + 95072686.

It is an arithmetic number, because the mean of its divisors is an integer number (131763299976).

Almost surely, 2^{1021213103101} is an apocalyptic number.

It is an amenable number.

1021213103101 is a deficient number, since it is larger than the sum of its proper divisors (32893296707).

1021213103101 is a wasteful number, since it uses less digits than its factorization.

1021213103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190134803.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1021213103101 its reverse (1013013121201), we get a palindrome (2034226224302).

The spelling of 1021213103101 in words is "one trillion, twenty-one billion, two hundred thirteen million, one hundred three thousand, one hundred one".