10202201021123 has 16 divisors (see below), whose sum is σ = 10286538105600. Its totient is φ = 10118095260000.

The previous prime is 10202201021107. The next prime is 10202201021137. The reversal of 10202201021123 is 32112010220201.

It is a cyclic number.

It is not a de Polignac number, because 10202201021123 - 2⁴ = 10202201021107 is a prime.

It is a super-2 number, since 2×10202201021123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202201021183) 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, 318295448 + ... + 318327498.

It is an arithmetic number, because the mean of its divisors is an integer number (642908631600).

Almost surely, 2^{10202201021123} is an apocalyptic number.

10202201021123 is a deficient number, since it is larger than the sum of its proper divisors (84337084477).

10202201021123 is a wasteful number, since it uses less digits than its factorization.

10202201021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35578.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10202201021123 its reverse (32112010220201), we get a palindrome (42314211241324).

The spelling of 10202201021123 in words is "ten trillion, two hundred two billion, two hundred one million, twenty-one thousand, one hundred twenty-three".