1102020021021 has 8 divisors (see below), whose sum is σ = 1472547361824. Its totient is φ = 733086347120.

The previous prime is 1102020021007. The next prime is 1102020021029. The reversal of 1102020021021 is 1201200202011.

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 1102020021021 - 2¹⁵ = 1102019988253 is a prime.

It is a super-2 number, since 2×1102020021021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102020020988 and 1102020021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020021029) 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, 398415111 + ... + 398417876.

It is an arithmetic number, because the mean of its divisors is an integer number (184068420228).

Almost surely, 2^{1102020021021} is an apocalyptic number.

It is an amenable number.

1102020021021 is a deficient number, since it is larger than the sum of its proper divisors (370527340803).

1102020021021 is an equidigital number, since it uses as much as digits as its factorization.

1102020021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796833451.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102020021021 its reverse (1201200202011), we get a palindrome (2303220223032).

The spelling of 1102020021021 in words is "one trillion, one hundred two billion, twenty million, twenty-one thousand, twenty-one".