1021120201101 has 256 divisors, whose sum is σ = 1996220620800. Its totient is φ = 446777856000.

The previous prime is 1021120201081. The next prime is 1021120201121. The reversal of 1021120201101 is 1011020211201.

It is an interprime number because it is at equal distance from previous prime (1021120201081) and next prime (1021120201121).

It is not a de Polignac number, because 1021120201101 - 2⁵ = 1021120201069 is a prime.

It is a super-2 number, since 2×1021120201101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021120201121) 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, 213219615 + ... + 213224403.

It is an arithmetic number, because the mean of its divisors is an integer number (7797736800).

Almost surely, 2^{1021120201101} is an apocalyptic number.

1021120201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1021120201101 is a deficient number, since it is larger than the sum of its proper divisors (975100419699).

1021120201101 is a wasteful number, since it uses less digits than its factorization.

1021120201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

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

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

It can be divided in two parts, 1021120 and 201101, that added together give a palindrome (1222221).

The spelling of 1021120201101 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred one thousand, one hundred one".