211121222021102 has 16 divisors (see below), whose sum is σ = 342444435220800. Its totient is φ = 97237308764928.

The previous prime is 211121222021081. The next prime is 211121222021219. The reversal of 211121222021102 is 201120222121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66057952727 + ... + 66057955922.

It is an arithmetic number, because the mean of its divisors is an integer number (21402777201300).

Almost surely, 2^{211121222021102} is an apocalyptic number.

211121222021102 is a deficient number, since it is larger than the sum of its proper divisors (131323213199698).

211121222021102 is a wasteful number, since it uses less digits than its factorization.

211121222021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132115908715.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211121222021102 its reverse (201120222121112), we get a palindrome (412241444142214).

The spelling of 211121222021102 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred two".