101221104320434 has 12 divisors (see below), whose sum is σ = 176620498355214. Its totient is φ = 43380473280144.

The previous prime is 101221104320389. The next prime is 101221104320467. The reversal of 101221104320434 is 434023401122101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67345247152225 + 33875857168209 = 8206415^2 + 5820297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 516434205619 + ... + 516434205814.

Almost surely, 2^{101221104320434} is an apocalyptic number.

101221104320434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

101221104320434 is a deficient number, since it is larger than the sum of its proper divisors (75399394034780).

101221104320434 is a wasteful number, since it uses less digits than its factorization.

101221104320434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032868411449 (or 1032868411442 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 101221104320434 its reverse (434023401122101), we get a palindrome (535244505442535).

The spelling of 101221104320434 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred four million, three hundred twenty thousand, four hundred thirty-four".