121002121011211 has 8 divisors (see below), whose sum is σ = 132227190010944. Its totient is φ = 109814531374920.

The previous prime is 121002121011203. The next prime is 121002121011223. The reversal of 121002121011211 is 112110121200121.

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 121002121011211 - 2³ = 121002121011203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121002121012211) 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, 9369834105 + ... + 9369847018.

It is an arithmetic number, because the mean of its divisors is an integer number (16528398751368).

Almost surely, 2^{121002121011211} is an apocalyptic number.

121002121011211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121002121011211 is a deficient number, since it is larger than the sum of its proper divisors (11225068999733).

121002121011211 is a wasteful number, since it uses less digits than its factorization.

121002121011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739681721.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121002121011211 its reverse (112110121200121), we get a palindrome (233112242211332).

The spelling of 121002121011211 in words is "one hundred twenty-one trillion, two billion, one hundred twenty-one million, eleven thousand, two hundred eleven".