101211202000061 has 2 divisors, whose sum is σ = 101211202000062. Its totient is φ = 101211202000060.

The previous prime is 101211202000057. The next prime is 101211202000157. The reversal of 101211202000061 is 160000202112101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68099118423961 + 33112083576100 = 8252219^2 + 5754310^2 .

It is a cyclic number.

It is not a de Polignac number, because 101211202000061 - 2² = 101211202000057 is a prime.

It is a super-3 number, since 3×101211202000061³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101211202000561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605601000030 + 50605601000031.

It is an arithmetic number, because the mean of its divisors is an integer number (50605601000031).

Almost surely, 2^{101211202000061} is an apocalyptic number.

It is an amenable number.

101211202000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211202000061 is an equidigital number, since it uses as much as digits as its factorization.

101211202000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101211202000061 its reverse (160000202112101), we get a palindrome (261211404112162).

The spelling of 101211202000061 in words is "one hundred one trillion, two hundred eleven billion, two hundred two million, sixty-one", and thus it is an aban number.