101020101201 has 12 divisors (see below), whose sum is σ = 145961564112. Its totient is φ = 67326592536.

The previous prime is 101020101179. The next prime is 101020101239. The reversal of 101020101201 is 102101020101.

It is a happy number.

It is not a de Polignac number, because 101020101201 - 2¹¹ = 101020099153 is a prime.

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 (101020101901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1646671 + ... + 1706916.

It is an arithmetic number, because the mean of its divisors is an integer number (12163463676).

Almost surely, 2^101020101201 is an apocalyptic number.

It is an amenable number.

101020101201 is a deficient number, since it is larger than the sum of its proper divisors (44941462911).

101020101201 is a wasteful number, since it uses less digits than its factorization.

101020101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356940 (or 3356937 counting only the distinct ones).

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

Adding to 101020101201 its reverse (102101020101), we get a palindrome (203121121302).

The spelling of 101020101201 in words is "one hundred one billion, twenty million, one hundred one thousand, two hundred one".