121020212001022 has 4 divisors (see below), whose sum is σ = 181530318001536. Its totient is φ = 60510106000510.

The previous prime is 121020212000971. The next prime is 121020212001089. The reversal of 121020212001022 is 220100212020121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121020212000987 and 121020212001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30255053000254 + ... + 30255053000257.

It is an arithmetic number, because the mean of its divisors is an integer number (45382579500384).

Almost surely, 2^{121020212001022} is an apocalyptic number.

121020212001022 is a deficient number, since it is larger than the sum of its proper divisors (60510106000514).

121020212001022 is an equidigital number, since it uses as much as digits as its factorization.

121020212001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60510106000513.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121020212001022 its reverse (220100212020121), we get a palindrome (341120424021143).

The spelling of 121020212001022 in words is "one hundred twenty-one trillion, twenty billion, two hundred twelve million, one thousand, twenty-two".