1021210220211 has 32 divisors (see below), whose sum is σ = 1444317557760. Its totient is φ = 640437283200.

The previous prime is 1021210220201. The next prime is 1021210220221. The reversal of 1021210220211 is 1120220121201.

It is an interprime number because it is at equal distance from previous prime (1021210220201) and next prime (1021210220221).

It is not a de Polignac number, because 1021210220211 - 2⁷ = 1021210220083 is a prime.

It is a super-2 number, since 2×1021210220211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021210220201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38873821 + ... + 38900081.

It is an arithmetic number, because the mean of its divisors is an integer number (45134923680).

Almost surely, 2^{1021210220211} is an apocalyptic number.

1021210220211 is a deficient number, since it is larger than the sum of its proper divisors (423107337549).

1021210220211 is a wasteful number, since it uses less digits than its factorization.

1021210220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35587.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021210220211 its reverse (1120220121201), we get a palindrome (2141430341412).

It can be divided in two parts, 1021210 and 220211, that added together give a palindrome (1241421).

The spelling of 1021210220211 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred twenty thousand, two hundred eleven".