1025522420102 has 4 divisors (see below), whose sum is σ = 1538283630156. Its totient is φ = 512761210050.

The previous prime is 1025522420077. The next prime is 1025522420113. The reversal of 1025522420102 is 2010242255201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256380605024 + ... + 256380605027.

It is an arithmetic number, because the mean of its divisors is an integer number (384570907539).

Almost surely, 2^{1025522420102} is an apocalyptic number.

1025522420102 is a deficient number, since it is larger than the sum of its proper divisors (512761210054).

1025522420102 is an equidigital number, since it uses as much as digits as its factorization.

1025522420102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512761210053.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1025522420102 its reverse (2010242255201), we get a palindrome (3035764675303).

The spelling of 1025522420102 in words is "one trillion, twenty-five billion, five hundred twenty-two million, four hundred twenty thousand, one hundred two".