20110100212 has 12 divisors (see below), whose sum is σ = 35616684096. Its totient is φ = 9933904760.

The previous prime is 20110100201. The next prime is 20110100221. The reversal of 20110100212 is 21200101102.

It is a super-2 number, since 2×20110100212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30285964 + ... + 30286627.

It is an arithmetic number, because the mean of its divisors is an integer number (2968057008).

Almost surely, 2^20110100212 is an apocalyptic number.

It is an amenable number.

20110100212 is a deficient number, since it is larger than the sum of its proper divisors (15506583884).

20110100212 is a wasteful number, since it uses less digits than its factorization.

20110100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60572678 (or 60572676 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110100212 its reverse (21200101102), we get a palindrome (41310201314).

The spelling of 20110100212 in words is "twenty billion, one hundred ten million, one hundred thousand, two hundred twelve".