10122121102011 has 8 divisors (see below), whose sum is σ = 13497744259584. Its totient is φ = 6747289339560.

The previous prime is 10122121101959. The next prime is 10122121102057. The reversal of 10122121102011 is 11020112122101.

It is a happy number.

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

It is not a de Polignac number, because 10122121102011 - 2¹¹ = 10122121099963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10122121102211) 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, 197818935 + ... + 197870096.

It is an arithmetic number, because the mean of its divisors is an integer number (1687218032448).

Almost surely, 2^{10122121102011} is an apocalyptic number.

10122121102011 is a deficient number, since it is larger than the sum of its proper divisors (3375623157573).

10122121102011 is an equidigital number, since it uses as much as digits as its factorization.

10122121102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395697561.

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

Adding to 10122121102011 its reverse (11020112122101), we get a palindrome (21142233224112).

The spelling of 10122121102011 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred two thousand, eleven".