1021012132103 has 8 divisors (see below), whose sum is σ = 1095027908400. Its totient is φ = 949024185408.

The previous prime is 1021012132081. The next prime is 1021012132109. The reversal of 1021012132103 is 3012312101201.

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 1021012132103 - 2⁸ = 1021012131847 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 (1021012132109) 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, 506956358 + ... + 506958371.

It is an arithmetic number, because the mean of its divisors is an integer number (136878488550).

Almost surely, 2^{1021012132103} is an apocalyptic number.

1021012132103 is a deficient number, since it is larger than the sum of its proper divisors (74015776297).

1021012132103 is a wasteful number, since it uses less digits than its factorization.

1021012132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013914801.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021012132103 its reverse (3012312101201), we get a palindrome (4033324233304).

The spelling of 1021012132103 in words is "one trillion, twenty-one billion, twelve million, one hundred thirty-two thousand, one hundred three".