102121044050 has 12 divisors (see below), whose sum is σ = 189945142026. Its totient is φ = 40848417600.

The previous prime is 102121044031. The next prime is 102121044061. The reversal of 102121044050 is 50440121201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 94730375089 + 7390668961 = 307783^2 + 85969^2 .

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, 1021210391 + ... + 1021210490.

Almost surely, 2^102121044050 is an apocalyptic number.

102121044050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121044050 is a deficient number, since it is larger than the sum of its proper divisors (87824097976).

102121044050 is a wasteful number, since it uses less digits than its factorization.

102121044050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042420893 (or 2042420888 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 102121044050 its reverse (50440121201), we get a palindrome (152561165251).

The spelling of 102121044050 in words is "one hundred two billion, one hundred twenty-one million, forty-four thousand, fifty".