121012201001 has 8 divisors (see below), whose sum is σ = 121088140800. Its totient is φ = 120936291840.

The previous prime is 121012200979. The next prime is 121012201021. The reversal of 121012201001 is 100102210121.

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 121012201001 - 2²⁶ = 120945092137 is a prime.

It is a super-2 number, since 2×121012201001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012201021) 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, 18531305 + ... + 18537833.

It is an arithmetic number, because the mean of its divisors is an integer number (15136017600).

Almost surely, 2^121012201001 is an apocalyptic number.

It is an amenable number.

121012201001 is a deficient number, since it is larger than the sum of its proper divisors (75939799).

121012201001 is an equidigital number, since it uses as much as digits as its factorization.

121012201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121012201001 its reverse (100102210121), we get a palindrome (221114411122).

The spelling of 121012201001 in words is "one hundred twenty-one billion, twelve million, two hundred one thousand, one".