1012020220211 has 32 divisors (see below), whose sum is σ = 1359850630656. Its totient is φ = 727361856000.

The previous prime is 1012020220199. The next prime is 1012020220229. The reversal of 1012020220211 is 1120220202101.

It is not a de Polignac number, because 1012020220211 - 2¹⁸ = 1012019958067 is a prime.

It is a super-2 number, since 2×1012020220211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012020220241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900731 + ... + 1683851.

It is an arithmetic number, because the mean of its divisors is an integer number (42495332208).

Almost surely, 2^{1012020220211} is an apocalyptic number.

1012020220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012020220211 is a deficient number, since it is larger than the sum of its proper divisors (347830410445).

1012020220211 is a wasteful number, since it uses less digits than its factorization.

1012020220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784443.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012020220211 its reverse (1120220202101), we get a palindrome (2132240422312).

The spelling of 1012020220211 in words is "one trillion, twelve billion, twenty million, two hundred twenty thousand, two hundred eleven".