1020331121102 has 4 divisors (see below), whose sum is σ = 1530496681656. Its totient is φ = 510165560550.

The previous prime is 1020331121099. The next prime is 1020331121137. The reversal of 1020331121102 is 2011211330201.

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, 255082780274 + ... + 255082780277.

It is an arithmetic number, because the mean of its divisors is an integer number (382624170414).

Almost surely, 2^{1020331121102} is an apocalyptic number.

1020331121102 is a deficient number, since it is larger than the sum of its proper divisors (510165560554).

1020331121102 is an equidigital number, since it uses as much as digits as its factorization.

1020331121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510165560553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1020331121102 its reverse (2011211330201), we get a palindrome (3031542451303).

The spelling of 1020331121102 in words is "one trillion, twenty billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred two".