20310121211102 has 8 divisors (see below), whose sum is σ = 30598217545800. Its totient is φ = 10110715362504.

The previous prime is 20310121211101. The next prime is 20310121211111. The reversal of 20310121211102 is 20111212101302.

It is a happy number.

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

It is a super-3 number, since 3×20310121211102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310121211101) 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, 22172620952 + ... + 22172621867.

It is an arithmetic number, because the mean of its divisors is an integer number (3824777193225).

Almost surely, 2^{20310121211102} is an apocalyptic number.

20310121211102 is a deficient number, since it is larger than the sum of its proper divisors (10288096334698).

20310121211102 is a wasteful number, since it uses less digits than its factorization.

20310121211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44345243050.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20310121211102 its reverse (20111212101302), we get a palindrome (40421333312404).

The spelling of 20310121211102 in words is "twenty trillion, three hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred two".