102021434401234 has 16 divisors (see below), whose sum is σ = 153044757129600. Its totient is φ = 51006515584464.

The previous prime is 102021434401223. The next prime is 102021434401241. The reversal of 102021434401234 is 432104434120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102021434401196 and 102021434401205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234006869 + ... + 2234052535.

It is an arithmetic number, because the mean of its divisors is an integer number (9565297320600).

Almost surely, 2^{102021434401234} is an apocalyptic number.

102021434401234 is a deficient number, since it is larger than the sum of its proper divisors (51023322728366).

102021434401234 is a wasteful number, since it uses less digits than its factorization.

102021434401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113217.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 102021434401234 its reverse (432104434120201), we get a palindrome (534125868521435).

The spelling of 102021434401234 in words is "one hundred two trillion, twenty-one billion, four hundred thirty-four million, four hundred one thousand, two hundred thirty-four".