101210122220212 has 12 divisors (see below), whose sum is σ = 177122510312580. Its totient is φ = 50603690702336.

The previous prime is 101210122220189. The next prime is 101210122220257. The reversal of 101210122220212 is 212022221012101.

It can be written as a sum of positive squares in 2 ways, for example, as 24884493726096 + 76325628494116 = 4988436^2 + 8736454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101210122220212.

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, 342435763 + ... + 342731194.

It is an arithmetic number, because the mean of its divisors is an integer number (14760209192715).

Almost surely, 2^{101210122220212} is an apocalyptic number.

It is an amenable number.

101210122220212 is a deficient number, since it is larger than the sum of its proper divisors (75912388092368).

101210122220212 is a wasteful number, since it uses less digits than its factorization.

101210122220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685203890 (or 685203888 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101210122220212 its reverse (212022221012101), we get a palindrome (313232343232313).

The spelling of 101210122220212 in words is "one hundred one trillion, two hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twelve".