10121020421332 has 6 divisors (see below), whose sum is σ = 17711785737338. Its totient is φ = 5060510210664.

The previous prime is 10121020421311. The next prime is 10121020421341. The reversal of 10121020421332 is 23312402012101.

It can be written as a sum of positive squares in only one way, i.e., 9355682394436 + 765338026896 = 3058706^2 + 874836^2 .

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, 1265127552663 + ... + 1265127552670.

Almost surely, 2^{10121020421332} is an apocalyptic number.

It is an amenable number.

10121020421332 is a deficient number, since it is larger than the sum of its proper divisors (7590765316006).

10121020421332 is a wasteful number, since it uses less digits than its factorization.

10121020421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530255105337 (or 2530255105335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 10121020421332 its reverse (23312402012101), we get a palindrome (33433422433433).

The spelling of 10121020421332 in words is "ten trillion, one hundred twenty-one billion, twenty million, four hundred twenty-one thousand, three hundred thirty-two".