11101210101121 has 16 divisors (see below), whose sum is σ = 12695568830464. Its totient is φ = 9508970044224.

The previous prime is 11101210101109. The next prime is 11101210101197. The reversal of 11101210101121 is 12110101210111.

It is not a de Polignac number, because 11101210101121 - 2⁷ = 11101210100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101210701121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287897575 + ... + 287936131.

It is an arithmetic number, because the mean of its divisors is an integer number (793473051904).

Almost surely, 2^{11101210101121} is an apocalyptic number.

It is an amenable number.

11101210101121 is a deficient number, since it is larger than the sum of its proper divisors (1594358729343).

11101210101121 is a wasteful number, since it uses less digits than its factorization.

11101210101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64960.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101210101121 its reverse (12110101210111), we get a palindrome (23211311311232).

The spelling of 11101210101121 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".