1211011121102 has 8 divisors (see below), whose sum is σ = 1855165972896. Its totient is φ = 592622463472.

The previous prime is 1211011121077. The next prime is 1211011121171. The reversal of 1211011121102 is 2011211101121.

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

It is a congruent 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, 6441548423 + ... + 6441548610.

It is an arithmetic number, because the mean of its divisors is an integer number (231895746612).

Almost surely, 2^{1211011121102} is an apocalyptic number.

1211011121102 is a deficient number, since it is larger than the sum of its proper divisors (644154851794).

1211011121102 is a wasteful number, since it uses less digits than its factorization.

1211011121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883097082.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1211011121102 its reverse (2011211101121), we get a palindrome (3222222222223).

The spelling of 1211011121102 in words is "one trillion, two hundred eleven billion, eleven million, one hundred twenty-one thousand, one hundred two".