121000010210101 has 12 divisors (see below), whose sum is σ = 133006376726496. Its totient is φ = 109994744579720.

The previous prime is 121000010210083. The next prime is 121000010210129. The reversal of 121000010210101 is 101012010000121.

It is not a de Polignac number, because 121000010210101 - 2³⁵ = 120965650471733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000010210201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21390751 + ... + 26449276.

It is an arithmetic number, because the mean of its divisors is an integer number (11083864727208).

Almost surely, 2^{121000010210101} is an apocalyptic number.

121000010210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121000010210101 is a deficient number, since it is larger than the sum of its proper divisors (12006366516395).

121000010210101 is a wasteful number, since it uses less digits than its factorization.

121000010210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47860952 (or 47860941 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121000010210101 its reverse (101012010000121), we get a palindrome (222012020210222).

The spelling of 121000010210101 in words is "one hundred twenty-one trillion, ten million, two hundred ten thousand, one hundred one".