1010210101021 has 8 divisors (see below), whose sum is σ = 1102059504288. Its totient is φ = 918362718000.

The previous prime is 1010210100983. The next prime is 1010210101049. The reversal of 1010210101021 is 1201010120101.

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 1010210101021 - 2¹⁷ = 1010209969949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010210100989 and 1010210101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010210101051) 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, 656686 + ... + 1565776.

It is an arithmetic number, because the mean of its divisors is an integer number (137757438036).

Almost surely, 2^{1010210101021} is an apocalyptic number.

1010210101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010210101021 is a deficient number, since it is larger than the sum of its proper divisors (91849403267).

1010210101021 is a wasteful number, since it uses less digits than its factorization.

1010210101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010123.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010210101021 its reverse (1201010120101), we get a palindrome (2211220221122).

The spelling of 1010210101021 in words is "one trillion, ten billion, two hundred ten million, one hundred one thousand, twenty-one".