210100212121011 has 8 divisors (see below), whose sum is σ = 280249805974464. Its totient is φ = 140008713174120.

The previous prime is 210100212120991. The next prime is 210100212121061. The reversal of 210100212121011 is 110121212001012.

It is a happy number.

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

It is not a de Polignac number, because 210100212121011 - 2¹¹ = 210100212118963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210100212121061) 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, 14523718201 + ... + 14523732666.

It is an arithmetic number, because the mean of its divisors is an integer number (35031225746808).

Almost surely, 2^{210100212121011} is an apocalyptic number.

210100212121011 is a deficient number, since it is larger than the sum of its proper divisors (70149593853453).

210100212121011 is a wasteful number, since it uses less digits than its factorization.

210100212121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29047453281.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210100212121011 its reverse (110121212001012), we get a palindrome (320221424122023).

The spelling of 210100212121011 in words is "two hundred ten trillion, one hundred billion, two hundred twelve million, one hundred twenty-one thousand, eleven".