211121111020002 has 8 divisors (see below), whose sum is σ = 422242222040016. Its totient is φ = 70373703673332.

The previous prime is 211121111019983. The next prime is 211121111020087. The reversal of 211121111020002 is 200020111121112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

211121111020002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17593425918328 + ... + 17593425918339.

It is an arithmetic number, because the mean of its divisors is an integer number (52780277755002).

Almost surely, 2^{211121111020002} is an apocalyptic number.

211121111020002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211121111020002 is a wasteful number, since it uses less digits than its factorization.

211121111020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35186851836672.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211121111020002 its reverse (200020111121112), we get a palindrome (411141222141114).

The spelling of 211121111020002 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, twenty thousand, two".