10020221111123 has 16 divisors (see below), whose sum is σ = 10146572763360. Its totient is φ = 9894510982656.

The previous prime is 10020221111113. The next prime is 10020221111141. The reversal of 10020221111123 is 32111112202001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10020221111123 - 2¹⁴ = 10020221094739 is a prime.

It is a super-2 number, since 2×10020221111123² (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 (10020221111113) 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, 147611036 + ... + 147678902.

It is an arithmetic number, because the mean of its divisors is an integer number (634160797710).

Almost surely, 2^{10020221111123} is an apocalyptic number.

10020221111123 is a deficient number, since it is larger than the sum of its proper divisors (126351652237).

10020221111123 is a wasteful number, since it uses less digits than its factorization.

10020221111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72566.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10020221111123 its reverse (32111112202001), we get a palindrome (42131333313124).

The spelling of 10020221111123 in words is "ten trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-three".