121102012121011 has 8 divisors (see below), whose sum is σ = 122471745725840. Its totient is φ = 119734753195008.

The previous prime is 121102012121009. The next prime is 121102012121029. The reversal of 121102012121011 is 110121210201121.

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

It is a cyclic number.

It is not a de Polignac number, because 121102012121011 - 2¹ = 121102012121009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102012421011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618571281 + ... + 618767026.

It is an arithmetic number, because the mean of its divisors is an integer number (15308968215730).

Almost surely, 2^{121102012121011} is an apocalyptic number.

121102012121011 is a deficient number, since it is larger than the sum of its proper divisors (1369733604829).

121102012121011 is a wasteful number, since it uses less digits than its factorization.

121102012121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237339413.

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

Adding to 121102012121011 its reverse (110121210201121), we get a palindrome (231223222322132).

The spelling of 121102012121011 in words is "one hundred twenty-one trillion, one hundred two billion, twelve million, one hundred twenty-one thousand, eleven".