1201013102103 has 48 divisors (see below), whose sum is σ = 1686020878080. Its totient is φ = 759026505600.

The previous prime is 1201013102089. The next prime is 1201013102111. The reversal of 1201013102103 is 3012013101021.

It is a happy number.

It is not a de Polignac number, because 1201013102103 - 2⁴ = 1201013102087 is a prime.

It is a super-2 number, since 2×1201013102103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201013102153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1162645275 + ... + 1162646307.

It is an arithmetic number, because the mean of its divisors is an integer number (35125434960).

Almost surely, 2^{1201013102103} is an apocalyptic number.

1201013102103 is a deficient number, since it is larger than the sum of its proper divisors (485007775977).

1201013102103 is a wasteful number, since it uses less digits than its factorization.

1201013102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1201013102103 its reverse (3012013101021), we get a palindrome (4213026203124).

The spelling of 1201013102103 in words is "one trillion, two hundred one billion, thirteen million, one hundred two thousand, one hundred three".