101121211022101 has 4 divisors (see below), whose sum is σ = 101121729885792. Its totient is φ = 101120692158412.

The previous prime is 101121211022081. The next prime is 101121211022113. The reversal of 101121211022101 is 101220112121101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101121211022101 - 2⁷ = 101121211021973 is a prime.

It is a super-2 number, since 2×101121211022101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121211022201) 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, 259139401 + ... + 259529326.

It is an arithmetic number, because the mean of its divisors is an integer number (25280432471448).

Almost surely, 2^{101121211022101} is an apocalyptic number.

It is an amenable number.

101121211022101 is a deficient number, since it is larger than the sum of its proper divisors (518863691).

101121211022101 is an equidigital number, since it uses as much as digits as its factorization.

101121211022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518863690.

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

Adding to 101121211022101 its reverse (101220112121101), we get a palindrome (202341323143202).

The spelling of 101121211022101 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, twenty-two thousand, one hundred one".