121012021132001 has 4 divisors (see below), whose sum is σ = 122716415795904. Its totient is φ = 119307626468100.

The previous prime is 121012021131979. The next prime is 121012021132003. The reversal of 121012021132001 is 100231120210121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121012021132001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012021132003) 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, 852197331845 + ... + 852197331986.

It is an arithmetic number, because the mean of its divisors is an integer number (30679103948976).

Almost surely, 2^{121012021132001} is an apocalyptic number.

It is an amenable number.

121012021132001 is a deficient number, since it is larger than the sum of its proper divisors (1704394663903).

121012021132001 is an equidigital number, since it uses as much as digits as its factorization.

121012021132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704394663902.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121012021132001 its reverse (100231120210121), we get a palindrome (221243141342122).

The spelling of 121012021132001 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, one hundred thirty-two thousand, one".