1012020221211 has 16 divisors (see below), whose sum is σ = 1424030649600. Its totient is φ = 637527539808.

The previous prime is 1012020221141. The next prime is 1012020221239. The reversal of 1012020221211 is 1121220202101.

1012020221211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012020221211 - 2⁷ = 1012020221083 is a prime.

It is a super-2 number, since 2×1012020221211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012020221111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22798831 + ... + 22843176.

It is an arithmetic number, because the mean of its divisors is an integer number (89001915600).

Almost surely, 2^{1012020221211} is an apocalyptic number.

1012020221211 is a deficient number, since it is larger than the sum of its proper divisors (412010428389).

1012020221211 is a wasteful number, since it uses less digits than its factorization.

1012020221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45642418.

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

Adding to 1012020221211 its reverse (1121220202101), we get a palindrome (2133240423312).

The spelling of 1012020221211 in words is "one trillion, twelve billion, twenty million, two hundred twenty-one thousand, two hundred eleven".