2122030101021 has 4 divisors (see below), whose sum is σ = 2829373468032. Its totient is φ = 1414686734012.

The previous prime is 2122030101017. The next prime is 2122030101043. The reversal of 2122030101021 is 1201010302212.

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 2122030101021 - 2² = 2122030101017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122030101721) 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, 353671683501 + ... + 353671683506.

It is an arithmetic number, because the mean of its divisors is an integer number (707343367008).

Almost surely, 2^{2122030101021} is an apocalyptic number.

It is an amenable number.

2122030101021 is a deficient number, since it is larger than the sum of its proper divisors (707343367011).

2122030101021 is an equidigital number, since it uses as much as digits as its factorization.

2122030101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707343367010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2122030101021 its reverse (1201010302212), we get a palindrome (3323040403233).

The spelling of 2122030101021 in words is "two trillion, one hundred twenty-two billion, thirty million, one hundred one thousand, twenty-one".