121201021012022 has 16 divisors (see below), whose sum is σ = 210874271101440. Its totient is φ = 51168021663528.

The previous prime is 121201021012009. The next prime is 121201021012079. The reversal of 121201021012022 is 220210120102121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64606087022 + ... + 64606088897.

It is an arithmetic number, because the mean of its divisors is an integer number (13179641943840).

Almost surely, 2^{121201021012022} is an apocalyptic number.

121201021012022 is a deficient number, since it is larger than the sum of its proper divisors (89673250089418).

121201021012022 is a wasteful number, since it uses less digits than its factorization.

121201021012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129212175995.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121201021012022 its reverse (220210120102121), we get a palindrome (341411141114143).

Subtracting 121201021012022 from its reverse (220210120102121), we obtain a palindrome (99009099090099).

The spelling of 121201021012022 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-one million, twelve thousand, twenty-two".