1010201211121 has 8 divisors (see below), whose sum is σ = 1015377616064. Its totient is φ = 1005036122160.

The previous prime is 1010201211113. The next prime is 1010201211127. The reversal of 1010201211121 is 1211121020101.

It is a happy number.

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 1010201211121 - 2³ = 1010201211113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010201211127) 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, 2649966 + ... + 3007111.

It is an arithmetic number, because the mean of its divisors is an integer number (126922202008).

Almost surely, 2^{1010201211121} is an apocalyptic number.

It is an amenable number.

1010201211121 is a deficient number, since it is larger than the sum of its proper divisors (5176404943).

1010201211121 is an equidigital number, since it uses as much as digits as its factorization.

1010201211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657991.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010201211121 its reverse (1211121020101), we get a palindrome (2221322231222).

The spelling of 1010201211121 in words is "one trillion, ten billion, two hundred one million, two hundred eleven thousand, one hundred twenty-one".