211121021201102 has 4 divisors (see below), whose sum is σ = 316681531801656. Its totient is φ = 105560510600550.

The previous prime is 211121021201063. The next prime is 211121021201117. The reversal of 211121021201102 is 201102120121112.

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

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, 52780255300274 + ... + 52780255300277.

It is an arithmetic number, because the mean of its divisors is an integer number (79170382950414).

Almost surely, 2^{211121021201102} is an apocalyptic number.

211121021201102 is a deficient number, since it is larger than the sum of its proper divisors (105560510600554).

211121021201102 is a wasteful number, since it uses less digits than its factorization.

211121021201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105560510600553.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211121021201102 its reverse (201102120121112), we get a palindrome (412223141322214).

The spelling of 211121021201102 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty-one million, two hundred one thousand, one hundred two".