1010210021123 has 4 divisors (see below), whose sum is σ = 1010323117488. Its totient is φ = 1010096924760.

The previous prime is 1010210021111. The next prime is 1010210021173. The reversal of 1010210021123 is 3211200120101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010210021123 - 2³² = 1005915053827 is a prime.

It is a super-2 number, since 2×1010210021123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010210021098 and 1010210021107.

It is not an unprimeable number, because it can be changed into a prime (1010210021173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56534783 + ... + 56552648.

It is an arithmetic number, because the mean of its divisors is an integer number (252580779372).

Almost surely, 2^{1010210021123} is an apocalyptic number.

1010210021123 is a deficient number, since it is larger than the sum of its proper divisors (113096365).

1010210021123 is an equidigital number, since it uses as much as digits as its factorization.

1010210021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113096364.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1010210021123 its reverse (3211200120101), we get a palindrome (4221410141224).

The spelling of 1010210021123 in words is "one trillion, ten billion, two hundred ten million, twenty-one thousand, one hundred twenty-three".