1010121122021 has 8 divisors (see below), whose sum is σ = 1107659904384. Its totient is φ = 913533937920.

The previous prime is 1010121122011. The next prime is 1010121122057. The reversal of 1010121122021 is 1202211210101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010121122021 - 2⁶ = 1010121121957 is a prime.

It is a super-2 number, since 2×1010121122021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010121121987 and 1010121122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010121122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237897341 + ... + 237901586.

It is an arithmetic number, because the mean of its divisors is an integer number (138457488048).

Almost surely, 2^{1010121122021} is an apocalyptic number.

1010121122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010121122021 is a deficient number, since it is larger than the sum of its proper divisors (97538782363).

1010121122021 is a wasteful number, since it uses less digits than its factorization.

1010121122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475799131.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1010121122021 its reverse (1202211210101), we get a palindrome (2212332332122).

The spelling of 1010121122021 in words is "one trillion, ten billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-one".