121012030001211 has 4 divisors (see below), whose sum is σ = 161349373334952. Its totient is φ = 80674686667472.

The previous prime is 121012030001207. The next prime is 121012030001263. The reversal of 121012030001211 is 112100030210121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121012030001211 - 2² = 121012030001207 is a prime.

It is a super-2 number, since 2×121012030001211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121012030008211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168671666866 + ... + 20168671666871.

It is an arithmetic number, because the mean of its divisors is an integer number (40337343333738).

Almost surely, 2^{121012030001211} is an apocalyptic number.

121012030001211 is a deficient number, since it is larger than the sum of its proper divisors (40337343333741).

121012030001211 is an equidigital number, since it uses as much as digits as its factorization.

121012030001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40337343333740.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121012030001211 its reverse (112100030210121), we get a palindrome (233112060211332).

The spelling of 121012030001211 in words is "one hundred twenty-one trillion, twelve billion, thirty million, one thousand, two hundred eleven".