121011020222011 has 4 divisors (see below), whose sum is σ = 125183814022800. Its totient is φ = 116838226421224.

The previous prime is 121011020222003. The next prime is 121011020222021. The reversal of 121011020222011 is 110222020110121.

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 121011020222011 - 2³ = 121011020222003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011020222021) 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, 2086396900351 + ... + 2086396900408.

It is an arithmetic number, because the mean of its divisors is an integer number (31295953505700).

Almost surely, 2^{121011020222011} is an apocalyptic number.

121011020222011 is a deficient number, since it is larger than the sum of its proper divisors (4172793800789).

121011020222011 is an equidigital number, since it uses as much as digits as its factorization.

121011020222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172793800788.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121011020222011 its reverse (110222020110121), we get a palindrome (231233040332132).

The spelling of 121011020222011 in words is "one hundred twenty-one trillion, eleven billion, twenty million, two hundred twenty-two thousand, eleven".