1021101210212 has 12 divisors (see below), whose sum is σ = 1789345157040. Its totient is φ = 509859736776.

The previous prime is 1021101210209. The next prime is 1021101210223. The reversal of 1021101210212 is 2120121011201.

It is a super-2 number, since 2×1021101210212² (a number of 25 digits) contains 22 as substring.

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, 172713758 + ... + 172719669.

It is an arithmetic number, because the mean of its divisors is an integer number (149112096420).

Almost surely, 2^{1021101210212} is an apocalyptic number.

It is an amenable number.

1021101210212 is a deficient number, since it is larger than the sum of its proper divisors (768243946828).

1021101210212 is a wasteful number, since it uses less digits than its factorization.

1021101210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345434170 (or 345434168 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021101210212 its reverse (2120121011201), we get a palindrome (3141222221413).

The spelling of 1021101210212 in words is "one trillion, twenty-one billion, one hundred one million, two hundred ten thousand, two hundred twelve".