1212110210101 has 8 divisors (see below), whose sum is σ = 1419055856064. Its totient is φ = 1013611325280.

The previous prime is 1212110210099. The next prime is 1212110210131. The reversal of 1212110210101 is 1010120112121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212110210101 - 2¹ = 1212110210099 is a prime.

It is a super-2 number, since 2×1212110210101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212110210131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111689975 + ... + 2111690548.

It is an arithmetic number, because the mean of its divisors is an integer number (177381982008).

Almost surely, 2^{1212110210101} is an apocalyptic number.

It is an amenable number.

1212110210101 is a deficient number, since it is larger than the sum of its proper divisors (206945645963).

1212110210101 is an equidigital number, since it uses as much as digits as its factorization.

1212110210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223380571.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1212110210101 its reverse (1010120112121), we get a palindrome (2222230322222).

The spelling of 1212110210101 in words is "one trillion, two hundred twelve billion, one hundred ten million, two hundred ten thousand, one hundred one".