1242210122101 has 32 divisors (see below), whose sum is σ = 1423843481088. Its totient is φ = 1073591608320.

The previous prime is 1242210122057. The next prime is 1242210122107. The reversal of 1242210122101 is 1012210122421.

It is a cyclic number.

It is not a de Polignac number, because 1242210122101 - 2¹³ = 1242210113909 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 (1242210122107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33850575 + ... + 33887251.

It is an arithmetic number, because the mean of its divisors is an integer number (44495108784).

Almost surely, 2^{1242210122101} is an apocalyptic number.

It is an amenable number.

1242210122101 is a deficient number, since it is larger than the sum of its proper divisors (181633358987).

1242210122101 is a wasteful number, since it uses less digits than its factorization.

1242210122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37501.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1242210122101 its reverse (1012210122421), we get a palindrome (2254420244522).

The spelling of 1242210122101 in words is "one trillion, two hundred forty-two billion, two hundred ten million, one hundred twenty-two thousand, one hundred one".