101001211000002 has 12 divisors (see below), whose sum is σ = 218835957166710. Its totient is φ = 33667070333328.

The previous prime is 101001210999991. The next prime is 101001211000009. The reversal of 101001211000002 is 200000112100101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 98828272620081 + 2172938379921 = 9941241^2 + 1474089^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101001211000009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2805589194427 + ... + 2805589194462.

Almost surely, 2^{101001211000002} is an apocalyptic number.

101001211000002 is an abundant number, since it is smaller than the sum of its proper divisors (117834746166708).

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

101001211000002 is a wasteful number, since it uses less digits than its factorization.

101001211000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611178388897 (or 5611178388894 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101001211000002 its reverse (200000112100101), we get a palindrome (301001323100103).

The spelling of 101001211000002 in words is "one hundred one trillion, one billion, two hundred eleven million, two", and thus it is an aban number.