121003111010001 has 32 divisors (see below), whose sum is σ = 180029271424896. Its totient is φ = 71673556032000.

The previous prime is 121003111009973. The next prime is 121003111010011. The reversal of 121003111010001 is 100010111300121.

It is not a de Polignac number, because 121003111010001 - 2¹⁴ = 121003110993617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121003111010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191119740 + ... + 191751821.

It is an arithmetic number, because the mean of its divisors is an integer number (5625914732028).

Almost surely, 2^{121003111010001} is an apocalyptic number.

121003111010001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121003111010001 is a deficient number, since it is larger than the sum of its proper divisors (59026160414895).

121003111010001 is a wasteful number, since it uses less digits than its factorization.

121003111010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382871793.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 121003111010001 its reverse (100010111300121), we get a palindrome (221013222310122).

The spelling of 121003111010001 in words is "one hundred twenty-one trillion, three billion, one hundred eleven million, ten thousand, one".