1023000120101 has 16 divisors (see below), whose sum is σ = 1090677912624. Its totient is φ = 956173123584.

The previous prime is 1023000120017. The next prime is 1023000120113. The reversal of 1023000120101 is 1010210003201.

It can be written as a sum of positive squares in 8 ways, for example, as 19589476 + 1022980530625 = 4426^2 + 1011425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023000120101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023000120151) 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, 1622951 + ... + 2163323.

It is an arithmetic number, because the mean of its divisors is an integer number (68167369539).

Almost surely, 2^{1023000120101} is an apocalyptic number.

It is an amenable number.

1023000120101 is a deficient number, since it is larger than the sum of its proper divisors (67677792523).

1023000120101 is a wasteful number, since it uses less digits than its factorization.

1023000120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541160.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1023000120101 its reverse (1010210003201), we get a palindrome (2033210123302).

The spelling of 1023000120101 in words is "one trillion, twenty-three billion, one hundred twenty thousand, one hundred one".