101202543434 has 4 divisors (see below), whose sum is σ = 151803815154. Its totient is φ = 50601271716.

The previous prime is 101202543419. The next prime is 101202543437. The reversal of 101202543434 is 434345202101.

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

It can be written as a sum of positive squares in only one way, i.e., 66201746209 + 35000797225 = 257297^2 + 187085^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101202543397 and 101202543406.

It is not an unprimeable number, because it can be changed into a prime (101202543437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25300635857 + ... + 25300635860.

Almost surely, 2^101202543434 is an apocalyptic number.

101202543434 is a deficient number, since it is larger than the sum of its proper divisors (50601271720).

101202543434 is an equidigital number, since it uses as much as digits as its factorization.

101202543434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50601271719.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 101202543434 its reverse (434345202101), we get a palindrome (535547745535).

The spelling of 101202543434 in words is "one hundred one billion, two hundred two million, five hundred forty-three thousand, four hundred thirty-four".