1021131122103 has 10 divisors (see below), whose sum is σ = 1525393404744. Its totient is φ = 680754081348.

The previous prime is 1021131122069. The next prime is 1021131122117. The reversal of 1021131122103 is 3012211311201.

1021131122103 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021131122103 - 2⁸ = 1021131121847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021131122173) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6303278451 + ... + 6303278612.

Almost surely, 2^{1021131122103} is an apocalyptic number.

1021131122103 is a deficient number, since it is larger than the sum of its proper divisors (504262282641).

1021131122103 is an equidigital number, since it uses as much as digits as its factorization.

1021131122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606557075 (or 12606557066 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1021131122103 its reverse (3012211311201), we get a palindrome (4033342433304).

The spelling of 1021131122103 in words is "one trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred three".