1011010123201 has 16 divisors (see below), whose sum is σ = 1090983273408. Its totient is φ = 931353278400.

The previous prime is 1011010123181. The next prime is 1011010123219. The reversal of 1011010123201 is 1023210101101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011010123201 - 2⁵ = 1011010123169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011010123001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16021131 + ... + 16084111.

It is an arithmetic number, because the mean of its divisors is an integer number (68186454588).

Almost surely, 2^{1011010123201} is an apocalyptic number.

It is an amenable number.

1011010123201 is a deficient number, since it is larger than the sum of its proper divisors (79973150207).

1011010123201 is a wasteful number, since it uses less digits than its factorization.

1011010123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65472.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1011010123201 its reverse (1023210101101), we get a palindrome (2034220224302).

The spelling of 1011010123201 in words is "one trillion, eleven billion, ten million, one hundred twenty-three thousand, two hundred one".