1020020201101 has 16 divisors (see below), whose sum is σ = 1131134442048. Its totient is φ = 911974003200.

The previous prime is 1020020201087. The next prime is 1020020201113. The reversal of 1020020201101 is 1011020200201.

It is a cyclic number.

It is not a de Polignac number, because 1020020201101 - 2¹⁹ = 1020019676813 is a prime.

It is a super-2 number, since 2×1020020201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020020201141) 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, 5438845 + ... + 5623261.

It is an arithmetic number, because the mean of its divisors is an integer number (70695902628).

Almost surely, 2^{1020020201101} is an apocalyptic number.

1020020201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020020201101 is a deficient number, since it is larger than the sum of its proper divisors (111114240947).

1020020201101 is a wasteful number, since it uses less digits than its factorization.

1020020201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192732.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020020201101 its reverse (1011020200201), we get a palindrome (2031040401302).

The spelling of 1020020201101 in words is "one trillion, twenty billion, twenty million, two hundred one thousand, one hundred one".