1010121333021 has 20 divisors (see below), whose sum is σ = 1574553063072. Its totient is φ = 644135341608.

The previous prime is 1010121332993. The next prime is 1010121333043. The reversal of 1010121333021 is 1203331210101.

1010121333021 is a `hidden beast` number, since 1 + 0 + 101 + 213 + 330 + 21 = 666.

It is not a de Polignac number, because 1010121333021 - 2¹¹ = 1010121330973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010121332985 and 1010121333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121333071) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 271098871 + ... + 271102596.

Almost surely, 2^{1010121333021} is an apocalyptic number.

It is an amenable number.

1010121333021 is a deficient number, since it is larger than the sum of its proper divisors (564431730051).

1010121333021 is an equidigital number, since it uses as much as digits as its factorization.

1010121333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542201502 (or 542201493 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1010121333021 its reverse (1203331210101), we get a palindrome (2213452543122).

The spelling of 1010121333021 in words is "one trillion, ten billion, one hundred twenty-one million, three hundred thirty-three thousand, twenty-one".