121012201211 has 8 divisors (see below), whose sum is σ = 132099555648. Its totient is φ = 109939221000.

The previous prime is 121012201111. The next prime is 121012201213. The reversal of 121012201211 is 112102210121.

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 121012201211 - 2¹⁰ = 121012200187 is a prime.

It is a super-3 number, since 3×121012201211³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012201213) 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, 3575945 + ... + 3609626.

It is an arithmetic number, because the mean of its divisors is an integer number (16512444456).

Almost surely, 2^121012201211 is an apocalyptic number.

121012201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121012201211 is a deficient number, since it is larger than the sum of its proper divisors (11087354437).

121012201211 is a wasteful number, since it uses less digits than its factorization.

121012201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187113.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121012201211 its reverse (112102210121), we get a palindrome (233114411332).

It can be divided in two parts, 121012 and 201211, that added together give a palindrome (322223).

The spelling of 121012201211 in words is "one hundred twenty-one billion, twelve million, two hundred one thousand, two hundred eleven".