133021022101 has 4 divisors (see below), whose sum is σ = 145113842304. Its totient is φ = 120928201900.

The previous prime is 133021022059. The next prime is 133021022137. The reversal of 133021022101 is 101220120331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-133021022101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133021022191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046410085 + ... + 6046410106.

It is an arithmetic number, because the mean of its divisors is an integer number (36278460576).

Almost surely, 2^133021022101 is an apocalyptic number.

133021022101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133021022101 is a deficient number, since it is larger than the sum of its proper divisors (12092820203).

133021022101 is a wasteful number, since it uses less digits than its factorization.

133021022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092820202.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133021022101 its reverse (101220120331), we get a palindrome (234241142432).

The spelling of 133021022101 in words is "one hundred thirty-three billion, twenty-one million, twenty-two thousand, one hundred one".