2101001220212 has 12 divisors (see below), whose sum is σ = 3676771545216. Its totient is φ = 1050495064440.

The previous prime is 2101001220193. The next prime is 2101001220217. The reversal of 2101001220212 is 2120221001012.

It is a super-2 number, since 2×2101001220212² (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 (2101001220217) 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, 466118 + ... + 2102205.

It is an arithmetic number, because the mean of its divisors is an integer number (306397628768).

Almost surely, 2^{2101001220212} is an apocalyptic number.

It is an amenable number.

2101001220212 is a deficient number, since it is larger than the sum of its proper divisors (1575770325004).

2101001220212 is a wasteful number, since it uses less digits than its factorization.

2101001220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772838 (or 2772836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2101001220212 its reverse (2120221001012), we get a palindrome (4221222221224).

The spelling of 2101001220212 in words is "two trillion, one hundred one billion, one million, two hundred twenty thousand, two hundred twelve".