1011020211201 has 256 divisors, whose sum is σ = 1959380140032. Its totient is φ = 446611968000.

The previous prime is 1011020211199. The next prime is 1011020211239. The reversal of 1011020211201 is 1021120201101.

It is not a de Polignac number, because 1011020211201 - 2¹ = 1011020211199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011020211241) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 258108895 + ... + 258112811.

It is an arithmetic number, because the mean of its divisors is an integer number (7653828672).

Almost surely, 2^{1011020211201} is an apocalyptic number.

1011020211201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011020211201 is a deficient number, since it is larger than the sum of its proper divisors (948359928831).

1011020211201 is a wasteful number, since it uses less digits than its factorization.

1011020211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112.

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

Adding to 1011020211201 its reverse (1021120201101), we get a palindrome (2032140412302).

It can be divided in two parts, 1011020 and 211201, that added together give a palindrome (1222221).

The spelling of 1011020211201 in words is "one trillion, eleven billion, twenty million, two hundred eleven thousand, two hundred one".