1020201211101 has 8 divisors (see below), whose sum is σ = 1366260653664. Its totient is φ = 677137954640.

The previous prime is 1020201211087. The next prime is 1020201211111. The reversal of 1020201211101 is 1011121020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020201211101 - 2¹⁴ = 1020201194717 is a prime.

It is a super-2 number, since 2×1020201211101² (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 (1020201211111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749045730 + ... + 749047091.

It is an arithmetic number, because the mean of its divisors is an integer number (170782581708).

Almost surely, 2^{1020201211101} is an apocalyptic number.

It is an amenable number.

1020201211101 is a deficient number, since it is larger than the sum of its proper divisors (346059442563).

1020201211101 is a wasteful number, since it uses less digits than its factorization.

1020201211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498093051.

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

Adding to 1020201211101 its reverse (1011121020201), we get a palindrome (2031322231302).

The spelling of 1020201211101 in words is "one trillion, twenty billion, two hundred one million, two hundred eleven thousand, one hundred one".