101121211211011 has 4 divisors (see below), whose sum is σ = 102778935985024. Its totient is φ = 99463486437000.

The previous prime is 101121211210963. The next prime is 101121211211021. The reversal of 101121211211011 is 110112112121101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101121211211011 - 2⁹ = 101121211210499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121211211021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828862386915 + ... + 828862387036.

It is an arithmetic number, because the mean of its divisors is an integer number (25694733996256).

Almost surely, 2^{101121211211011} is an apocalyptic number.

101121211211011 is a deficient number, since it is larger than the sum of its proper divisors (1657724774013).

101121211211011 is an equidigital number, since it uses as much as digits as its factorization.

101121211211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657724774012.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 101121211211011 its reverse (110112112121101), we get a palindrome (211233323332112).

The spelling of 101121211211011 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, two hundred eleven thousand, eleven".