2101231310132 has 6 divisors (see below), whose sum is σ = 3677154792738. Its totient is φ = 1050615655064.

The previous prime is 2101231310069. The next prime is 2101231310237. The reversal of 2101231310132 is 2310131321012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2099937181456 + 1294128676 = 1449116^2 + 35974^2 .

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, 262653913763 + ... + 262653913770.

It is an arithmetic number, because the mean of its divisors is an integer number (612859132123).

Almost surely, 2^{2101231310132} is an apocalyptic number.

It is an amenable number.

2101231310132 is a deficient number, since it is larger than the sum of its proper divisors (1575923482606).

2101231310132 is a wasteful number, since it uses less digits than its factorization.

2101231310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525307827537 (or 525307827535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2101231310132 its reverse (2310131321012), we get a palindrome (4411362631144).

The spelling of 2101231310132 in words is "two trillion, one hundred one billion, two hundred thirty-one million, three hundred ten thousand, one hundred thirty-two".