1021131122102 has 32 divisors (see below), whose sum is σ = 1897172622912. Its totient is φ = 401390930304.

The previous prime is 1021131122069. The next prime is 1021131122117. The reversal of 1021131122102 is 2012211311201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17839613 + ... + 17896760.

It is an arithmetic number, because the mean of its divisors is an integer number (59286644466).

Almost surely, 2^{1021131122102} is an apocalyptic number.

1021131122102 is a deficient number, since it is larger than the sum of its proper divisors (876041500810).

1021131122102 is a wasteful number, since it uses less digits than its factorization.

1021131122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736552.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1021131122102 its reverse (2012211311201), we get a palindrome (3033342433303).

The spelling of 1021131122102 in words is "one trillion, twenty-one billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred two".