101321212 has 12 divisors (see below), whose sum is σ = 177390136. Its totient is φ = 50638320.

The previous prime is 101321197. The next prime is 101321221. The reversal of 101321212 is 212123101.

It is a super-2 number, since 2×101321212² = 20531976002297888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101321192 and 101321201.

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, 8743 + ... + 16705.

Almost surely, 2^101321212 is an apocalyptic number.

It is an amenable number.

101321212 is a deficient number, since it is larger than the sum of its proper divisors (76068924).

101321212 is a wasteful number, since it uses less digits than its factorization.

101321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11148 (or 11146 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101321212 is about 10065.8438295058. The cubic root of 101321212 is about 466.1941205280.

Adding to 101321212 its reverse (212123101), we get a palindrome (313444313).

The spelling of 101321212 in words is "one hundred one million, three hundred twenty-one thousand, two hundred twelve".