100220100020123 has 4 divisors (see below), whose sum is σ = 100341874140048. Its totient is φ = 100098325900200.

The previous prime is 100220100020101. The next prime is 100220100020129. The reversal of 100220100020123 is 321020001022001.

It is a happy number.

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 100220100020123 - 2¹⁸ = 100220099757979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220100020098 and 100220100020107.

It is not an unprimeable number, because it can be changed into a prime (100220100020129) 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, 60887058728 + ... + 60887060373.

It is an arithmetic number, because the mean of its divisors is an integer number (25085468535012).

Almost surely, 2^{100220100020123} is an apocalyptic number.

100220100020123 is a deficient number, since it is larger than the sum of its proper divisors (121774119925).

100220100020123 is an equidigital number, since it uses as much as digits as its factorization.

100220100020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121774119924.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100220100020123 its reverse (321020001022001), we get a palindrome (421240101042124).

The spelling of 100220100020123 in words is "one hundred trillion, two hundred twenty billion, one hundred million, twenty thousand, one hundred twenty-three".