102020102021011 has 2 divisors, whose sum is σ = 102020102021012. Its totient is φ = 102020102021010.

The previous prime is 102020102020987. The next prime is 102020102021029. The reversal of 102020102021011 is 110120201020201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102020102021011 - 2⁴³ = 93224008998803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020102020982 and 102020102021000.

It is not a weakly prime, because it can be changed into another prime (102020102025011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010051010505 + 51010051010506.

It is an arithmetic number, because the mean of its divisors is an integer number (51010051010506).

Almost surely, 2^{102020102021011} is an apocalyptic number.

102020102021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020102021011 is an equidigital number, since it uses as much as digits as its factorization.

102020102021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102020102021011 its reverse (110120201020201), we get a palindrome (212140303041212).

The spelling of 102020102021011 in words is "one hundred two trillion, twenty billion, one hundred two million, twenty-one thousand, eleven".