1012101013203 has 32 divisors (see below), whose sum is σ = 1557666754560. Its totient is φ = 572589444000.

The previous prime is 1012101013153. The next prime is 1012101013207. The reversal of 1012101013203 is 3023101012101.

It is a happy number.

It is not a de Polignac number, because 1012101013203 - 2⁹ = 1012101012691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012101013207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305368 + ... + 1455146.

It is an arithmetic number, because the mean of its divisors is an integer number (48677086080).

Almost surely, 2^{1012101013203} is an apocalyptic number.

1012101013203 is a deficient number, since it is larger than the sum of its proper divisors (545565741357).

1012101013203 is a wasteful number, since it uses less digits than its factorization.

1012101013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150207.

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

Adding to 1012101013203 its reverse (3023101012101), we get a palindrome (4035202025304).

The spelling of 1012101013203 in words is "one trillion, twelve billion, one hundred one million, thirteen thousand, two hundred three".