1021101012201 has 8 divisors (see below), whose sum is σ = 1361474960224. Its totient is φ = 680730536160.

The previous prime is 1021101012119. The next prime is 1021101012229. The reversal of 1021101012201 is 1022101011201.

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

It is not a de Polignac number, because 1021101012201 - 2³³ = 1012511077609 is a prime.

It is a super-3 number, since 3×1021101012201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021101012271) 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, 79420 + ... + 1431261.

It is an arithmetic number, because the mean of its divisors is an integer number (170184370028).

Almost surely, 2^{1021101012201} is an apocalyptic number.

It is an amenable number.

1021101012201 is a deficient number, since it is larger than the sum of its proper divisors (340373948023).

1021101012201 is a wasteful number, since it uses less digits than its factorization.

1021101012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735991.

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

Adding to 1021101012201 its reverse (1022101011201), we get a palindrome (2043202023402).

The spelling of 1021101012201 in words is "one trillion, twenty-one billion, one hundred one million, twelve thousand, two hundred one".