101211012021011 has 2 divisors, whose sum is σ = 101211012021012. Its totient is φ = 101211012021010.

The previous prime is 101211012020981. The next prime is 101211012021047. The reversal of 101211012021011 is 110120210112101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101211012021011 - 2⁴² = 96812965509907 is a prime.

It is not a weakly prime, because it can be changed into another prime (101211012021611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605506010505 + 50605506010506.

It is an arithmetic number, because the mean of its divisors is an integer number (50605506010506).

Almost surely, 2^{101211012021011} is an apocalyptic number.

101211012021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

101211012021011 is an equidigital number, since it uses as much as digits as its factorization.

101211012021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101211012021011 its reverse (110120210112101), we get a palindrome (211331222133112).

The spelling of 101211012021011 in words is "one hundred one trillion, two hundred eleven billion, twelve million, twenty-one thousand, eleven".