2123011210101 has 4 divisors (see below), whose sum is σ = 2830681613472. Its totient is φ = 1415340806732.

The previous prime is 2123011210097. The next prime is 2123011210123. The reversal of 2123011210101 is 1010121103212.

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 2123011210101 - 2² = 2123011210097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123011210501) 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, 353835201681 + ... + 353835201686.

It is an arithmetic number, because the mean of its divisors is an integer number (707670403368).

Almost surely, 2^{2123011210101} is an apocalyptic number.

It is an amenable number.

2123011210101 is a deficient number, since it is larger than the sum of its proper divisors (707670403371).

2123011210101 is an equidigital number, since it uses as much as digits as its factorization.

2123011210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707670403370.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2123011210101 its reverse (1010121103212), we get a palindrome (3133132313313).

The spelling of 2123011210101 in words is "two trillion, one hundred twenty-three billion, eleven million, two hundred ten thousand, one hundred one".