102121201011 has 8 divisors (see below), whose sum is σ = 136547329680. Its totient is φ = 67887936512.

The previous prime is 102121201009. The next prime is 102121201019. The reversal of 102121201011 is 110102121201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102121201011 - 2¹ = 102121201009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102121201019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48214806 + ... + 48216923.

It is an arithmetic number, because the mean of its divisors is an integer number (17068416210).

Almost surely, 2^102121201011 is an apocalyptic number.

102121201011 is a deficient number, since it is larger than the sum of its proper divisors (34426128669).

102121201011 is an equidigital number, since it uses as much as digits as its factorization.

102121201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96432085.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102121201011 its reverse (110102121201), we get a palindrome (212223322212).

The spelling of 102121201011 in words is "one hundred two billion, one hundred twenty-one million, two hundred one thousand, eleven".