101220202110212 has 6 divisors (see below), whose sum is σ = 177135353692878. Its totient is φ = 50610101055104.

The previous prime is 101220202110173. The next prime is 101220202110229. The reversal of 101220202110212 is 212011202022101.

It can be written as a sum of positive squares in only one way, i.e., 55353391680196 + 45866810430016 = 7439986^2 + 6772504^2 .

It is a super-3 number, since 3×101220202110212³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652525263773 + ... + 12652525263780.

It is an arithmetic number, because the mean of its divisors is an integer number (29522558948813).

Almost surely, 2^{101220202110212} is an apocalyptic number.

It is an amenable number.

101220202110212 is a deficient number, since it is larger than the sum of its proper divisors (75915151582666).

101220202110212 is a wasteful number, since it uses less digits than its factorization.

101220202110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305050527557 (or 25305050527555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101220202110212 its reverse (212011202022101), we get a palindrome (313231404132313).

The spelling of 101220202110212 in words is "one hundred one trillion, two hundred twenty billion, two hundred two million, one hundred ten thousand, two hundred twelve".