1010201211123 has 16 divisors (see below), whose sum is σ = 1450717890720. Its totient is φ = 621588328704.

The previous prime is 1010201211113. The next prime is 1010201211127. The reversal of 1010201211123 is 3211121020101.

It is not a de Polignac number, because 1010201211123 - 2¹⁶ = 1010201145587 is a prime.

It is a super-2 number, since 2×1010201211123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1010201211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207786 + ... + 1865247.

It is an arithmetic number, because the mean of its divisors is an integer number (90669868170).

Almost surely, 2^{1010201211123} is an apocalyptic number.

1010201211123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1010201211123 is a deficient number, since it is larger than the sum of its proper divisors (440516679597).

1010201211123 is a wasteful number, since it uses less digits than its factorization.

1010201211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081478.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1010201211123 its reverse (3211121020101), we get a palindrome (4221322231224).

The spelling of 1010201211123 in words is "one trillion, ten billion, two hundred one million, two hundred eleven thousand, one hundred twenty-three".