1021211021010 has 32 divisors (see below), whose sum is σ = 2595077419392. Its totient is φ = 256303942400.

The previous prime is 1021211020997. The next prime is 1021211021011. The reversal of 1021211021010 is 101201121201.

It is a super-2 number, since 2×1021211021010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021211021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001186766 + ... + 1001187785.

It is an arithmetic number, because the mean of its divisors is an integer number (81096169356).

Almost surely, 2^{1021211021010} is an apocalyptic number.

1021211021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021211021010 is an abundant number, since it is smaller than the sum of its proper divisors (1573866398382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021211021010 is a wasteful number, since it uses less digits than its factorization.

1021211021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002374578.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021211021010 its reverse (101201121201), we get a palindrome (1122412142211).

The spelling of 1021211021010 in words is "one trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, ten".