101012212121202 has 32 divisors (see below), whose sum is σ = 224479575028800. Its totient is φ = 33669538493184.

The previous prime is 101012212121189. The next prime is 101012212121207. The reversal of 101012212121202 is 202121212210101.

101012212121202 is a `hidden beast` number, since 10 + 101 + 221 + 212 + 120 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101012212121207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31770952 + ... + 34805427.

It is an arithmetic number, because the mean of its divisors is an integer number (7014986719650).

Almost surely, 2^{101012212121202} is an apocalyptic number.

101012212121202 is an abundant number, since it is smaller than the sum of its proper divisors (123467362907598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012212121202 is a wasteful number, since it uses less digits than its factorization.

101012212121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66604487 (or 66604481 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101012212121202 its reverse (202121212210101), we get a palindrome (303133424331303).

The spelling of 101012212121202 in words is "one hundred one trillion, twelve billion, two hundred twelve million, one hundred twenty-one thousand, two hundred two".