102121003234 has 4 divisors (see below), whose sum is σ = 153181504854. Its totient is φ = 51060501616.

The previous prime is 102121003207. The next prime is 102121003249. The reversal of 102121003234 is 432300121201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432300121201 = 13 ⋅33253855477.

It can be written as a sum of positive squares in only one way, i.e., 93454324209 + 8666679025 = 305703^2 + 93095^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530250807 + ... + 25530250810.

Almost surely, 2^102121003234 is an apocalyptic number.

102121003234 is a deficient number, since it is larger than the sum of its proper divisors (51060501620).

102121003234 is an equidigital number, since it uses as much as digits as its factorization.

102121003234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060501619.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102121003234 its reverse (432300121201), we get a palindrome (534421124435).

The spelling of 102121003234 in words is "one hundred two billion, one hundred twenty-one million, three thousand, two hundred thirty-four".