121011102101 has 4 divisors (see below), whose sum is σ = 121934851104. Its totient is φ = 120087353100.

The previous prime is 121011102071. The next prime is 121011102103. The reversal of 121011102101 is 101201110121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101201110121 = 73 ⋅1386316577.

It is a cyclic number.

It is not a de Polignac number, because 121011102101 - 2³⁴ = 103831232917 is a prime.

It is a super-2 number, since 2×121011102101² (a number of 23 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 (121011102103) 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, 461874305 + ... + 461874566.

It is an arithmetic number, because the mean of its divisors is an integer number (30483712776).

Almost surely, 2^121011102101 is an apocalyptic number.

It is an amenable number.

121011102101 is a deficient number, since it is larger than the sum of its proper divisors (923749003).

121011102101 is an equidigital number, since it uses as much as digits as its factorization.

121011102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923749002.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121011102101 its reverse (101201110121), we get a palindrome (222212212222).

The spelling of 121011102101 in words is "one hundred twenty-one billion, eleven million, one hundred two thousand, one hundred one".